Home / 791,559,221.78-1,091,897,887.55-493,684,316.46

Finding the Fourth Proportional to 791,559,221.78, 1,091,897,887.55 and 493,684,316.46

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Solution

The fourth proportional to 791,559,221.78, 1,091,897,887.55 and 493,684,316.46 is: 681,001,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,559,221.78 : 1,091,897,887.55 = 493,684,316.46 : x
  2. Step 2: Convert to fraction form
    791,559,221.78/1,091,897,887.55 = 493,684,316.46/x
  3. Step 3: Cross multiply
    791,559,221.78x = 1,091,897,887.55 × 493,684,316.46
  4. Step 4: Simplify right side
    791,559,221.78x = 539,052,862,259,239,616
  5. Step 5: Solve for x
    x = 539,052,862,259,239,616/791,559,221.78
  6. Step 6: Final answer
    x = 681,001,304.04

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Double scale
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1.5x scale

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.