Home / 758,258,250.40-1,137,387,375.60-620,508,743.20

Finding the Fourth Proportional to 758,258,250.40, 1,137,387,375.60 and 620,508,743.20

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Solution

The fourth proportional to 758,258,250.40, 1,137,387,375.60 and 620,508,743.20 is: 930,763,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,258,250.40 : 1,137,387,375.60 = 620,508,743.20 : x
  2. Step 2: Convert to fraction form
    758,258,250.40/1,137,387,375.60 = 620,508,743.20/x
  3. Step 3: Cross multiply
    758,258,250.40x = 1,137,387,375.60 × 620,508,743.20
  4. Step 4: Simplify right side
    758,258,250.40x = 705,758,810,965,102,336
  5. Step 5: Solve for x
    x = 705,758,810,965,102,336/758,258,250.40
  6. Step 6: Final answer
    x = 930,763,114.80

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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.