Home / 539,447,898.20-744,435,362.60-291,929,252.45

Finding the Fourth Proportional to 539,447,898.20, 744,435,362.60 and 291,929,252.45

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Solution

The fourth proportional to 539,447,898.20, 744,435,362.60 and 291,929,252.45 is: 402,860,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,447,898.20 : 744,435,362.60 = 291,929,252.45 : x
  2. Step 2: Convert to fraction form
    539,447,898.20/744,435,362.60 = 291,929,252.45/x
  3. Step 3: Cross multiply
    539,447,898.20x = 744,435,362.60 × 291,929,252.45
  4. Step 4: Simplify right side
    539,447,898.20x = 217,322,458,898,772,512
  5. Step 5: Solve for x
    x = 217,322,458,898,772,512/539,447,898.20
  6. Step 6: Final answer
    x = 402,860,887.26

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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.