Home / 747,711,785.52-1,121,816,850.48-471,043,591.20

Finding the Fourth Proportional to 747,711,785.52, 1,121,816,850.48 and 471,043,591.20

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Solution

The fourth proportional to 747,711,785.52, 1,121,816,850.48 and 471,043,591.20 is: 706,722,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,711,785.52 : 1,121,816,850.48 = 471,043,591.20 : x
  2. Step 2: Convert to fraction form
    747,711,785.52/1,121,816,850.48 = 471,043,591.20/x
  3. Step 3: Cross multiply
    747,711,785.52x = 1,121,816,850.48 × 471,043,591.20
  4. Step 4: Simplify right side
    747,711,785.52x = 528,424,637,918,772,608
  5. Step 5: Solve for x
    x = 528,424,637,918,772,608/747,711,785.52
  6. Step 6: Final answer
    x = 706,722,360.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.