Home / 557,643,407.20-836,465,110.80-194,016,911.20

Finding the Fourth Proportional to 557,643,407.20, 836,465,110.80 and 194,016,911.20

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Solution

The fourth proportional to 557,643,407.20, 836,465,110.80 and 194,016,911.20 is: 291,025,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,643,407.20 : 836,465,110.80 = 194,016,911.20 : x
  2. Step 2: Convert to fraction form
    557,643,407.20/836,465,110.80 = 194,016,911.20/x
  3. Step 3: Cross multiply
    557,643,407.20x = 836,465,110.80 × 194,016,911.20
  4. Step 4: Simplify right side
    557,643,407.20x = 162,288,377,123,981,728
  5. Step 5: Solve for x
    x = 162,288,377,123,981,728/557,643,407.20
  6. Step 6: Final answer
    x = 291,025,366.80

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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.