Home / 758,258,247.40-1,137,387,371.10-620,508,740.20

Finding the Fourth Proportional to 758,258,247.40, 1,137,387,371.10 and 620,508,740.20

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Solution

The fourth proportional to 758,258,247.40, 1,137,387,371.10 and 620,508,740.20 is: 930,763,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,258,247.40 : 1,137,387,371.10 = 620,508,740.20 : x
  2. Step 2: Convert to fraction form
    758,258,247.40/1,137,387,371.10 = 620,508,740.20/x
  3. Step 3: Cross multiply
    758,258,247.40x = 1,137,387,371.10 × 620,508,740.20
  4. Step 4: Simplify right side
    758,258,247.40x = 705,758,804,760,650,880
  5. Step 5: Solve for x
    x = 705,758,804,760,650,880/758,258,247.40
  6. Step 6: Final answer
    x = 930,763,110.30

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Double scale
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Similar ratio
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1.5x scale

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.