Home / 1,001,010,239.80-1,501,515,359.70-571,028,543.80

Finding the Fourth Proportional to 1,001,010,239.80, 1,501,515,359.70 and 571,028,543.80

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Solution

The fourth proportional to 1,001,010,239.80, 1,501,515,359.70 and 571,028,543.80 is: 856,542,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,010,239.80 : 1,501,515,359.70 = 571,028,543.80 : x
  2. Step 2: Convert to fraction form
    1,001,010,239.80/1,501,515,359.70 = 571,028,543.80/x
  3. Step 3: Cross multiply
    1,001,010,239.80x = 1,501,515,359.70 × 571,028,543.80
  4. Step 4: Simplify right side
    1,001,010,239.80x = 857,408,129,342,824,192
  5. Step 5: Solve for x
    x = 857,408,129,342,824,192/1,001,010,239.80
  6. Step 6: Final answer
    x = 856,542,815.70

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Half scale
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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.