Home / 1,114,805,930.17-1,538,530,209.62-613,103,132.87

Finding the Fourth Proportional to 1,114,805,930.17, 1,538,530,209.62 and 613,103,132.87

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Solution

The fourth proportional to 1,114,805,930.17, 1,538,530,209.62 and 613,103,132.87 is: 846,136,234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,805,930.17 : 1,538,530,209.62 = 613,103,132.87 : x
  2. Step 2: Convert to fraction form
    1,114,805,930.17/1,538,530,209.62 = 613,103,132.87/x
  3. Step 3: Cross multiply
    1,114,805,930.17x = 1,538,530,209.62 × 613,103,132.87
  4. Step 4: Simplify right side
    1,114,805,930.17x = 943,277,691,533,940,480
  5. Step 5: Solve for x
    x = 943,277,691,533,940,480/1,114,805,930.17
  6. Step 6: Final answer
    x = 846,136,234.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.