Home / 1,431,924,826.08-1,978,001,423.28-1,122,564,753.12

Finding the Fourth Proportional to 1,431,924,826.08, 1,978,001,423.28 and 1,122,564,753.12

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Solution

The fourth proportional to 1,431,924,826.08, 1,978,001,423.28 and 1,122,564,753.12 is: 1,550,664,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,924,826.08 : 1,978,001,423.28 = 1,122,564,753.12 : x
  2. Step 2: Convert to fraction form
    1,431,924,826.08/1,978,001,423.28 = 1,122,564,753.12/x
  3. Step 3: Cross multiply
    1,431,924,826.08x = 1,978,001,423.28 × 1,122,564,753.12
  4. Step 4: Simplify right side
    1,431,924,826.08x = 2,220,434,679,395,321,600
  5. Step 5: Solve for x
    x = 2,220,434,679,395,321,600/1,431,924,826.08
  6. Step 6: Final answer
    x = 1,550,664,279.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.