Home / 312,911,034.30-469,366,551.45-231,281,696.70

Finding the Fourth Proportional to 312,911,034.30, 469,366,551.45 and 231,281,696.70

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Solution

The fourth proportional to 312,911,034.30, 469,366,551.45 and 231,281,696.70 is: 346,922,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,911,034.30 : 469,366,551.45 = 231,281,696.70 : x
  2. Step 2: Convert to fraction form
    312,911,034.30/469,366,551.45 = 231,281,696.70/x
  3. Step 3: Cross multiply
    312,911,034.30x = 469,366,551.45 × 231,281,696.70
  4. Step 4: Simplify right side
    312,911,034.30x = 108,555,892,393,583,840
  5. Step 5: Solve for x
    x = 108,555,892,393,583,840/312,911,034.30
  6. Step 6: Final answer
    x = 346,922,545.05

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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.