Home / 457,668,923.40-686,471,892.30-146,772,001.80

Finding the Fourth Proportional to 457,668,923.40, 686,471,892.30 and 146,772,001.80

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Solution

The fourth proportional to 457,668,923.40, 686,471,892.30 and 146,772,001.80 is: 220,147,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,668,923.40 : 686,471,892.30 = 146,772,001.80 : x
  2. Step 2: Convert to fraction form
    457,668,923.40/686,471,892.30 = 146,772,001.80/x
  3. Step 3: Cross multiply
    457,668,923.40x = 686,471,892.30 × 146,772,001.80
  4. Step 4: Simplify right side
    457,668,923.40x = 100,754,853,812,305,008
  5. Step 5: Solve for x
    x = 100,754,853,812,305,008/457,668,923.40
  6. Step 6: Final answer
    x = 220,147,903.13

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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.