Home / 756,291,235.40-1,134,436,853.10-647,452,118.60

Finding the Fourth Proportional to 756,291,235.40, 1,134,436,853.10 and 647,452,118.60

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Solution

The fourth proportional to 756,291,235.40, 1,134,436,853.10 and 647,452,118.60 is: 971,178,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,291,235.40 : 1,134,436,853.10 = 647,452,118.60 : x
  2. Step 2: Convert to fraction form
    756,291,235.40/1,134,436,853.10 = 647,452,118.60/x
  3. Step 3: Cross multiply
    756,291,235.40x = 1,134,436,853.10 × 647,452,118.60
  4. Step 4: Simplify right side
    756,291,235.40x = 734,493,543,957,511,936
  5. Step 5: Solve for x
    x = 734,493,543,957,511,936/756,291,235.40
  6. Step 6: Final answer
    x = 971,178,177.90

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Double scale
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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.