Home / 756,291,207.90-1,134,436,811.85-647,452,091.10

Finding the Fourth Proportional to 756,291,207.90, 1,134,436,811.85 and 647,452,091.10

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Solution

The fourth proportional to 756,291,207.90, 1,134,436,811.85 and 647,452,091.10 is: 971,178,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,291,207.90 : 1,134,436,811.85 = 647,452,091.10 : x
  2. Step 2: Convert to fraction form
    756,291,207.90/1,134,436,811.85 = 647,452,091.10/x
  3. Step 3: Cross multiply
    756,291,207.90x = 1,134,436,811.85 × 647,452,091.10
  4. Step 4: Simplify right side
    756,291,207.90x = 734,493,486,053,099,776
  5. Step 5: Solve for x
    x = 734,493,486,053,099,776/756,291,207.90
  6. Step 6: Final answer
    x = 971,178,136.65

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Double scale
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Similar ratio
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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.