Home / 382,245,320.68-527,543,325.30-217,257,690.76

Finding the Fourth Proportional to 382,245,320.68, 527,543,325.30 and 217,257,690.76

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Solution

The fourth proportional to 382,245,320.68, 527,543,325.30 and 217,257,690.76 is: 299,841,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,245,320.68 : 527,543,325.30 = 217,257,690.76 : x
  2. Step 2: Convert to fraction form
    382,245,320.68/527,543,325.30 = 217,257,690.76/x
  3. Step 3: Cross multiply
    382,245,320.68x = 527,543,325.30 × 217,257,690.76
  4. Step 4: Simplify right side
    382,245,320.68x = 114,612,844,630,529,488
  5. Step 5: Solve for x
    x = 114,612,844,630,529,488/382,245,320.68
  6. Step 6: Final answer
    x = 299,841,066.53

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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.