Home / 382,245,291.68-527,543,285.28-217,257,661.76

Finding the Fourth Proportional to 382,245,291.68, 527,543,285.28 and 217,257,661.76

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Solution

The fourth proportional to 382,245,291.68, 527,543,285.28 and 217,257,661.76 is: 299,841,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,245,291.68 : 527,543,285.28 = 217,257,661.76 : x
  2. Step 2: Convert to fraction form
    382,245,291.68/527,543,285.28 = 217,257,661.76/x
  3. Step 3: Cross multiply
    382,245,291.68x = 527,543,285.28 × 217,257,661.76
  4. Step 4: Simplify right side
    382,245,291.68x = 114,612,820,637,121,408
  5. Step 5: Solve for x
    x = 114,612,820,637,121,408/382,245,291.68
  6. Step 6: Final answer
    x = 299,841,026.51

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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.