Home / 690,581,569.83-1,035,857,398.47-192,578,796.72

Finding the Fourth Proportional to 690,581,569.83, 1,035,857,398.47 and 192,578,796.72

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Solution

The fourth proportional to 690,581,569.83, 1,035,857,398.47 and 192,578,796.72 is: 288,864,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,581,569.83 : 1,035,857,398.47 = 192,578,796.72 : x
  2. Step 2: Convert to fraction form
    690,581,569.83/1,035,857,398.47 = 192,578,796.72/x
  3. Step 3: Cross multiply
    690,581,569.83x = 1,035,857,398.47 × 192,578,796.72
  4. Step 4: Simplify right side
    690,581,569.83x = 199,484,171,367,767,744
  5. Step 5: Solve for x
    x = 199,484,171,367,767,744/690,581,569.83
  6. Step 6: Final answer
    x = 288,864,024.30

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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.