Home / 453,721,015.20-680,665,503.60-147,023,133.60

Finding the Fourth Proportional to 453,721,015.20, 680,665,503.60 and 147,023,133.60

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Solution

The fourth proportional to 453,721,015.20, 680,665,503.60 and 147,023,133.60 is: 220,561,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,721,015.20 : 680,665,503.60 = 147,023,133.60 : x
  2. Step 2: Convert to fraction form
    453,721,015.20/680,665,503.60 = 147,023,133.60/x
  3. Step 3: Cross multiply
    453,721,015.20x = 680,665,503.60 × 147,023,133.60
  4. Step 4: Simplify right side
    453,721,015.20x = 100,073,575,272,694,080
  5. Step 5: Solve for x
    x = 100,073,575,272,694,080/453,721,015.20
  6. Step 6: Final answer
    x = 220,561,913.42

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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.