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Finding the Fourth Proportional to 557,681,205.80, 836,521,808.70 and 194,175,561.80

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Solution

The fourth proportional to 557,681,205.80, 836,521,808.70 and 194,175,561.80 is: 291,263,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,681,205.80 : 836,521,808.70 = 194,175,561.80 : x
  2. Step 2: Convert to fraction form
    557,681,205.80/836,521,808.70 = 194,175,561.80/x
  3. Step 3: Cross multiply
    557,681,205.80x = 836,521,808.70 × 194,175,561.80
  4. Step 4: Simplify right side
    557,681,205.80x = 162,432,092,162,274,656
  5. Step 5: Solve for x
    x = 162,432,092,162,274,656/557,681,205.80
  6. Step 6: Final answer
    x = 291,263,342.70

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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.