Home / 424,746,906.19-586,180,190.11-257,490,217.30

Finding the Fourth Proportional to 424,746,906.19, 586,180,190.11 and 257,490,217.30

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Solution

The fourth proportional to 424,746,906.19, 586,180,190.11 and 257,490,217.30 is: 355,354,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,746,906.19 : 586,180,190.11 = 257,490,217.30 : x
  2. Step 2: Convert to fraction form
    424,746,906.19/586,180,190.11 = 257,490,217.30/x
  3. Step 3: Cross multiply
    424,746,906.19x = 586,180,190.11 × 257,490,217.30
  4. Step 4: Simplify right side
    424,746,906.19x = 150,935,664,525,448,320
  5. Step 5: Solve for x
    x = 150,935,664,525,448,320/424,746,906.19
  6. Step 6: Final answer
    x = 355,354,358.86

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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.