Home / 403,734,458.85-605,709,346.79-144,951,921.10

Finding the Fourth Proportional to 403,734,458.85, 605,709,346.79 and 144,951,921.10

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Solution

The fourth proportional to 403,734,458.85, 605,709,346.79 and 144,951,921.10 is: 217,466,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,734,458.85 : 605,709,346.79 = 144,951,921.10 : x
  2. Step 2: Convert to fraction form
    403,734,458.85/605,709,346.79 = 144,951,921.10/x
  3. Step 3: Cross multiply
    403,734,458.85x = 605,709,346.79 × 144,951,921.10
  4. Step 4: Simplify right side
    403,734,458.85x = 87,798,733,445,436,608
  5. Step 5: Solve for x
    x = 87,798,733,445,436,608/403,734,458.85
  6. Step 6: Final answer
    x = 217,466,534.06

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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.