Home / 479,867,159.76-662,216,519.09-259,850,585.76

Finding the Fourth Proportional to 479,867,159.76, 662,216,519.09 and 259,850,585.76

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Solution

The fourth proportional to 479,867,159.76, 662,216,519.09 and 259,850,585.76 is: 358,593,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,867,159.76 : 662,216,519.09 = 259,850,585.76 : x
  2. Step 2: Convert to fraction form
    479,867,159.76/662,216,519.09 = 259,850,585.76/x
  3. Step 3: Cross multiply
    479,867,159.76x = 662,216,519.09 × 259,850,585.76
  4. Step 4: Simplify right side
    479,867,159.76x = 172,077,350,385,484,736
  5. Step 5: Solve for x
    x = 172,077,350,385,484,736/479,867,159.76
  6. Step 6: Final answer
    x = 358,593,720.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.