Home / 918,510,265.66-1,267,565,077.83-521,970,773.98

Finding the Fourth Proportional to 918,510,265.66, 1,267,565,077.83 and 521,970,773.98

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Solution

The fourth proportional to 918,510,265.66, 1,267,565,077.83 and 521,970,773.98 is: 720,331,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,510,265.66 : 1,267,565,077.83 = 521,970,773.98 : x
  2. Step 2: Convert to fraction form
    918,510,265.66/1,267,565,077.83 = 521,970,773.98/x
  3. Step 3: Cross multiply
    918,510,265.66x = 1,267,565,077.83 × 521,970,773.98
  4. Step 4: Simplify right side
    918,510,265.66x = 661,631,924,744,944,000
  5. Step 5: Solve for x
    x = 661,631,924,744,944,000/918,510,265.66
  6. Step 6: Final answer
    x = 720,331,551.51

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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.