Home / 551,209,378.32-760,668,526.26-303,690,732.57

Finding the Fourth Proportional to 551,209,378.32, 760,668,526.26 and 303,690,732.57

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Solution

The fourth proportional to 551,209,378.32, 760,668,526.26 and 303,690,732.57 is: 419,092,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,209,378.32 : 760,668,526.26 = 303,690,732.57 : x
  2. Step 2: Convert to fraction form
    551,209,378.32/760,668,526.26 = 303,690,732.57/x
  3. Step 3: Cross multiply
    551,209,378.32x = 760,668,526.26 × 303,690,732.57
  4. Step 4: Simplify right side
    551,209,378.32x = 231,007,981,982,841,664
  5. Step 5: Solve for x
    x = 231,007,981,982,841,664/551,209,378.32
  6. Step 6: Final answer
    x = 419,092,981.85

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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.