Home / 381,476,363.10-571,448,389.80-173,929,277.15

Finding the Fourth Proportional to 381,476,363.10, 571,448,389.80 and 173,929,277.15

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Solution

The fourth proportional to 381,476,363.10, 571,448,389.80 and 173,929,277.15 is: 260,544,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,476,363.10 : 571,448,389.80 = 173,929,277.15 : x
  2. Step 2: Convert to fraction form
    381,476,363.10/571,448,389.80 = 173,929,277.15/x
  3. Step 3: Cross multiply
    381,476,363.10x = 571,448,389.80 × 173,929,277.15
  4. Step 4: Simplify right side
    381,476,363.10x = 99,391,605,363,588,192
  5. Step 5: Solve for x
    x = 99,391,605,363,588,192/381,476,363.10
  6. Step 6: Final answer
    x = 260,544,597.20

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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.