Home / 962,142,616.68-1,327,756,811.04-522,109,468.68

Finding the Fourth Proportional to 962,142,616.68, 1,327,756,811.04 and 522,109,468.68

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Solution

The fourth proportional to 962,142,616.68, 1,327,756,811.04 and 522,109,468.68 is: 720,511,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,142,616.68 : 1,327,756,811.04 = 522,109,468.68 : x
  2. Step 2: Convert to fraction form
    962,142,616.68/1,327,756,811.04 = 522,109,468.68/x
  3. Step 3: Cross multiply
    962,142,616.68x = 1,327,756,811.04 × 522,109,468.68
  4. Step 4: Simplify right side
    962,142,616.68x = 693,234,403,148,345,600
  5. Step 5: Solve for x
    x = 693,234,403,148,345,600/962,142,616.68
  6. Step 6: Final answer
    x = 720,511,066.79

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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.