Home / 539,056,929.95-743,898,557.57-291,538,284.20

Finding the Fourth Proportional to 539,056,929.95, 743,898,557.57 and 291,538,284.20

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Solution

The fourth proportional to 539,056,929.95, 743,898,557.57 and 291,538,284.20 is: 402,322,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,056,929.95 : 743,898,557.57 = 291,538,284.20 : x
  2. Step 2: Convert to fraction form
    539,056,929.95/743,898,557.57 = 291,538,284.20/x
  3. Step 3: Cross multiply
    539,056,929.95x = 743,898,557.57 × 291,538,284.20
  4. Step 4: Simplify right side
    539,056,929.95x = 216,874,909,087,635,552
  5. Step 5: Solve for x
    x = 216,874,909,087,635,552/539,056,929.95
  6. Step 6: Final answer
    x = 402,322,829.07

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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.