Home / 485,244,901.80-727,867,352.70-301,578,892.20

Finding the Fourth Proportional to 485,244,901.80, 727,867,352.70 and 301,578,892.20

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Solution

The fourth proportional to 485,244,901.80, 727,867,352.70 and 301,578,892.20 is: 452,368,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,244,901.80 : 727,867,352.70 = 301,578,892.20 : x
  2. Step 2: Convert to fraction form
    485,244,901.80/727,867,352.70 = 301,578,892.20/x
  3. Step 3: Cross multiply
    485,244,901.80x = 727,867,352.70 × 301,578,892.20
  4. Step 4: Simplify right side
    485,244,901.80x = 219,509,429,895,812,672
  5. Step 5: Solve for x
    x = 219,509,429,895,812,672/485,244,901.80
  6. Step 6: Final answer
    x = 452,368,338.30

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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.