Home / 727,766,935.40-1,091,650,403.10-649,160,906.60

Finding the Fourth Proportional to 727,766,935.40, 1,091,650,403.10 and 649,160,906.60

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Solution

The fourth proportional to 727,766,935.40, 1,091,650,403.10 and 649,160,906.60 is: 973,741,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,766,935.40 : 1,091,650,403.10 = 649,160,906.60 : x
  2. Step 2: Convert to fraction form
    727,766,935.40/1,091,650,403.10 = 649,160,906.60/x
  3. Step 3: Cross multiply
    727,766,935.40x = 1,091,650,403.10 × 649,160,906.60
  4. Step 4: Simplify right side
    727,766,935.40x = 708,656,765,366,651,392
  5. Step 5: Solve for x
    x = 708,656,765,366,651,392/727,766,935.40
  6. Step 6: Final answer
    x = 973,741,359.90

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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.