Home / 501,554,820.30-752,332,230.45-173,921,443.80

Finding the Fourth Proportional to 501,554,820.30, 752,332,230.45 and 173,921,443.80

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Solution

The fourth proportional to 501,554,820.30, 752,332,230.45 and 173,921,443.80 is: 260,882,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,554,820.30 : 752,332,230.45 = 173,921,443.80 : x
  2. Step 2: Convert to fraction form
    501,554,820.30/752,332,230.45 = 173,921,443.80/x
  3. Step 3: Cross multiply
    501,554,820.30x = 752,332,230.45 × 173,921,443.80
  4. Step 4: Simplify right side
    501,554,820.30x = 130,846,707,737,138,336
  5. Step 5: Solve for x
    x = 130,846,707,737,138,336/501,554,820.30
  6. Step 6: Final answer
    x = 260,882,165.70

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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.