Home / 666,797,260.83-999,808,193.32-252,306,101.47

Finding the Fourth Proportional to 666,797,260.83, 999,808,193.32 and 252,306,101.47

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Solution

The fourth proportional to 666,797,260.83, 999,808,193.32 and 252,306,101.47 is: 378,312,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,797,260.83 : 999,808,193.32 = 252,306,101.47 : x
  2. Step 2: Convert to fraction form
    666,797,260.83/999,808,193.32 = 252,306,101.47/x
  3. Step 3: Cross multiply
    666,797,260.83x = 999,808,193.32 × 252,306,101.47
  4. Step 4: Simplify right side
    666,797,260.83x = 252,257,707,471,203,008
  5. Step 5: Solve for x
    x = 252,257,707,471,203,008/666,797,260.83
  6. Step 6: Final answer
    x = 378,312,453.11

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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.