Home / 7,630,848,009.20-11,446,272,013.80-6,406,407,945.20

Finding the Fourth Proportional to 7,630,848,009.20, 11,446,272,013.80 and 6,406,407,945.20

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Solution

The fourth proportional to 7,630,848,009.20, 11,446,272,013.80 and 6,406,407,945.20 is: 9,609,611,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630,848,009.20 : 11,446,272,013.80 = 6,406,407,945.20 : x
  2. Step 2: Convert to fraction form
    7,630,848,009.20/11,446,272,013.80 = 6,406,407,945.20/x
  3. Step 3: Cross multiply
    7,630,848,009.20x = 11,446,272,013.80 × 6,406,407,945.20
  4. Step 4: Simplify right side
    7,630,848,009.20x = 73,329,487,972,128,718,848
  5. Step 5: Solve for x
    x = 73,329,487,972,128,718,848/7,630,848,009.20
  6. Step 6: Final answer
    x = 9,609,611,917.80

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Half scale
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Double scale
Find fourth proportional to 7,630,848,010.20, 11,446,272,015.30 and 6,406,407,946.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.