Home / 799,272,023.60-1,198,908,035.40-764,834,646.80

Finding the Fourth Proportional to 799,272,023.60, 1,198,908,035.40 and 764,834,646.80

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Solution

The fourth proportional to 799,272,023.60, 1,198,908,035.40 and 764,834,646.80 is: 1,147,251,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,272,023.60 : 1,198,908,035.40 = 764,834,646.80 : x
  2. Step 2: Convert to fraction form
    799,272,023.60/1,198,908,035.40 = 764,834,646.80/x
  3. Step 3: Cross multiply
    799,272,023.60x = 1,198,908,035.40 × 764,834,646.80
  4. Step 4: Simplify right side
    799,272,023.60x = 916,966,403,800,840,960
  5. Step 5: Solve for x
    x = 916,966,403,800,840,960/799,272,023.60
  6. Step 6: Final answer
    x = 1,147,251,970.20

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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.