Home / 539,055,840.90-743,897,059.86-291,537,194.88

Finding the Fourth Proportional to 539,055,840.90, 743,897,059.86 and 291,537,194.88

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Solution

The fourth proportional to 539,055,840.90, 743,897,059.86 and 291,537,194.88 is: 402,321,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,055,840.90 : 743,897,059.86 = 291,537,194.88 : x
  2. Step 2: Convert to fraction form
    539,055,840.90/743,897,059.86 = 291,537,194.88/x
  3. Step 3: Cross multiply
    539,055,840.90x = 743,897,059.86 × 291,537,194.88
  4. Step 4: Simplify right side
    539,055,840.90x = 216,873,662,111,063,840
  5. Step 5: Solve for x
    x = 216,873,662,111,063,840/539,055,840.90
  6. Step 6: Final answer
    x = 402,321,328.62

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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.