Home / 814,490,801.10-1,221,736,201.65-296,938,125.90

Finding the Fourth Proportional to 814,490,801.10, 1,221,736,201.65 and 296,938,125.90

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Solution

The fourth proportional to 814,490,801.10, 1,221,736,201.65 and 296,938,125.90 is: 445,407,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,490,801.10 : 1,221,736,201.65 = 296,938,125.90 : x
  2. Step 2: Convert to fraction form
    814,490,801.10/1,221,736,201.65 = 296,938,125.90/x
  3. Step 3: Cross multiply
    814,490,801.10x = 1,221,736,201.65 × 296,938,125.90
  4. Step 4: Simplify right side
    814,490,801.10x = 362,780,058,062,135,488
  5. Step 5: Solve for x
    x = 362,780,058,062,135,488/814,490,801.10
  6. Step 6: Final answer
    x = 445,407,188.85

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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.