Home / 711,737,989.35-1,067,767,966.40-384,206,472.33

Finding the Fourth Proportional to 711,737,989.35, 1,067,767,966.40 and 384,206,472.33

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Solution

The fourth proportional to 711,737,989.35, 1,067,767,966.40 and 384,206,472.33 is: 576,396,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,737,989.35 : 1,067,767,966.40 = 384,206,472.33 : x
  2. Step 2: Convert to fraction form
    711,737,989.35/1,067,767,966.40 = 384,206,472.33/x
  3. Step 3: Cross multiply
    711,737,989.35x = 1,067,767,966.40 × 384,206,472.33
  4. Step 4: Simplify right side
    711,737,989.35x = 410,243,363,635,600,896
  5. Step 5: Solve for x
    x = 410,243,363,635,600,896/711,737,989.35
  6. Step 6: Final answer
    x = 576,396,609.11

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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.