Home / 791,559,221.91-1,091,897,887.71-493,684,316.58

Finding the Fourth Proportional to 791,559,221.91, 1,091,897,887.71 and 493,684,316.58

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Solution

The fourth proportional to 791,559,221.91, 1,091,897,887.71 and 493,684,316.58 is: 681,001,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,559,221.91 : 1,091,897,887.71 = 493,684,316.58 : x
  2. Step 2: Convert to fraction form
    791,559,221.91/1,091,897,887.71 = 493,684,316.58/x
  3. Step 3: Cross multiply
    791,559,221.91x = 1,091,897,887.71 × 493,684,316.58
  4. Step 4: Simplify right side
    791,559,221.91x = 539,052,862,475,238,464
  5. Step 5: Solve for x
    x = 539,052,862,475,238,464/791,559,221.91
  6. Step 6: Final answer
    x = 681,001,304.21

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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.