Home / 7,972,938,256.40-11,959,407,384.60-6,113,319,909.20

Finding the Fourth Proportional to 7,972,938,256.40, 11,959,407,384.60 and 6,113,319,909.20

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Solution

The fourth proportional to 7,972,938,256.40, 11,959,407,384.60 and 6,113,319,909.20 is: 9,169,979,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,938,256.40 : 11,959,407,384.60 = 6,113,319,909.20 : x
  2. Step 2: Convert to fraction form
    7,972,938,256.40/11,959,407,384.60 = 6,113,319,909.20/x
  3. Step 3: Cross multiply
    7,972,938,256.40x = 11,959,407,384.60 × 6,113,319,909.20
  4. Step 4: Simplify right side
    7,972,938,256.40x = 73,111,683,266,508,685,312
  5. Step 5: Solve for x
    x = 73,111,683,266,508,685,312/7,972,938,256.40
  6. Step 6: Final answer
    x = 9,169,979,863.80

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Double scale
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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.