Home / 1,418,374,630.40-2,127,561,945.60-383,395,251.20

Finding the Fourth Proportional to 1,418,374,630.40, 2,127,561,945.60 and 383,395,251.20

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Solution

The fourth proportional to 1,418,374,630.40, 2,127,561,945.60 and 383,395,251.20 is: 575,092,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,374,630.40 : 2,127,561,945.60 = 383,395,251.20 : x
  2. Step 2: Convert to fraction form
    1,418,374,630.40/2,127,561,945.60 = 383,395,251.20/x
  3. Step 3: Cross multiply
    1,418,374,630.40x = 2,127,561,945.60 × 383,395,251.20
  4. Step 4: Simplify right side
    1,418,374,630.40x = 815,697,146,576,872,704
  5. Step 5: Solve for x
    x = 815,697,146,576,872,704/1,418,374,630.40
  6. Step 6: Final answer
    x = 575,092,876.80

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Double scale
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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.