Home / 381,892,713,152.16-527,012,466,802.76-208,278,272,337.96

Finding the Fourth Proportional to 381,892,713,152.16, 527,012,466,802.76 and 208,278,272,337.96

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Solution

The fourth proportional to 381,892,713,152.16, 527,012,466,802.76 and 208,278,272,337.96 is: 287,424,300,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,892,713,152.16 : 527,012,466,802.76 = 208,278,272,337.96 : x
  2. Step 2: Convert to fraction form
    381,892,713,152.16/527,012,466,802.76 = 208,278,272,337.96/x
  3. Step 3: Cross multiply
    381,892,713,152.16x = 527,012,466,802.76 × 208,278,272,337.96
  4. Step 4: Simplify right side
    381,892,713,152.16x = 109,765,246,086,245,347,491,840
  5. Step 5: Solve for x
    x = 109,765,246,086,245,347,491,840/381,892,713,152.16
  6. Step 6: Final answer
    x = 287,424,300,872.98

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Double scale
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1.5x scale

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.