Home / 499,485,280.80-749,227,921.20-491,832,530.40

Finding the Fourth Proportional to 499,485,280.80, 749,227,921.20 and 491,832,530.40

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Solution

The fourth proportional to 499,485,280.80, 749,227,921.20 and 491,832,530.40 is: 737,748,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,485,280.80 : 749,227,921.20 = 491,832,530.40 : x
  2. Step 2: Convert to fraction form
    499,485,280.80/749,227,921.20 = 491,832,530.40/x
  3. Step 3: Cross multiply
    499,485,280.80x = 749,227,921.20 × 491,832,530.40
  4. Step 4: Simplify right side
    499,485,280.80x = 368,494,664,330,127,808
  5. Step 5: Solve for x
    x = 368,494,664,330,127,808/499,485,280.80
  6. Step 6: Final answer
    x = 737,748,795.60

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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.