Home / 415,254,887.60-622,882,331.40-108,578,001.20

Finding the Fourth Proportional to 415,254,887.60, 622,882,331.40 and 108,578,001.20

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Solution

The fourth proportional to 415,254,887.60, 622,882,331.40 and 108,578,001.20 is: 162,867,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,254,887.60 : 622,882,331.40 = 108,578,001.20 : x
  2. Step 2: Convert to fraction form
    415,254,887.60/622,882,331.40 = 108,578,001.20/x
  3. Step 3: Cross multiply
    415,254,887.60x = 622,882,331.40 × 108,578,001.20
  4. Step 4: Simplify right side
    415,254,887.60x = 67,631,318,526,208,000
  5. Step 5: Solve for x
    x = 67,631,318,526,208,000/415,254,887.60
  6. Step 6: Final answer
    x = 162,867,001.80

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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.