Home / 453,481,569.30-680,288,709.15-146,721,479.70

Finding the Fourth Proportional to 453,481,569.30, 680,288,709.15 and 146,721,479.70

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Solution

The fourth proportional to 453,481,569.30, 680,288,709.15 and 146,721,479.70 is: 220,103,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,481,569.30 : 680,288,709.15 = 146,721,479.70 : x
  2. Step 2: Convert to fraction form
    453,481,569.30/680,288,709.15 = 146,721,479.70/x
  3. Step 3: Cross multiply
    453,481,569.30x = 680,288,709.15 × 146,721,479.70
  4. Step 4: Simplify right side
    453,481,569.30x = 99,812,966,029,690,912
  5. Step 5: Solve for x
    x = 99,812,966,029,690,912/453,481,569.30
  6. Step 6: Final answer
    x = 220,103,688.41

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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.