Home / 449,344,103.40-674,016,155.10-255,852,340.20

Finding the Fourth Proportional to 449,344,103.40, 674,016,155.10 and 255,852,340.20

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Solution

The fourth proportional to 449,344,103.40, 674,016,155.10 and 255,852,340.20 is: 383,778,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,344,103.40 : 674,016,155.10 = 255,852,340.20 : x
  2. Step 2: Convert to fraction form
    449,344,103.40/674,016,155.10 = 255,852,340.20/x
  3. Step 3: Cross multiply
    449,344,103.40x = 674,016,155.10 × 255,852,340.20
  4. Step 4: Simplify right side
    449,344,103.40x = 172,448,610,614,941,152
  5. Step 5: Solve for x
    x = 172,448,610,614,941,152/449,344,103.40
  6. Step 6: Final answer
    x = 383,778,510.30

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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.