Home / 1,092,981,171.78-1,639,470,472.74-356,049,870.48

Finding the Fourth Proportional to 1,092,981,171.78, 1,639,470,472.74 and 356,049,870.48

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Solution

The fourth proportional to 1,092,981,171.78, 1,639,470,472.74 and 356,049,870.48 is: 534,074,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,981,171.78 : 1,639,470,472.74 = 356,049,870.48 : x
  2. Step 2: Convert to fraction form
    1,092,981,171.78/1,639,470,472.74 = 356,049,870.48/x
  3. Step 3: Cross multiply
    1,092,981,171.78x = 1,639,470,472.74 × 356,049,870.48
  4. Step 4: Simplify right side
    1,092,981,171.78x = 583,733,249,474,861,440
  5. Step 5: Solve for x
    x = 583,733,249,474,861,440/1,092,981,171.78
  6. Step 6: Final answer
    x = 534,074,387.14

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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.