Home / 1,213,248,648.91-1,674,279,486.45-656,331,541.87

Finding the Fourth Proportional to 1,213,248,648.91, 1,674,279,486.45 and 656,331,541.87

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Solution

The fourth proportional to 1,213,248,648.91, 1,674,279,486.45 and 656,331,541.87 is: 905,735,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,248,648.91 : 1,674,279,486.45 = 656,331,541.87 : x
  2. Step 2: Convert to fraction form
    1,213,248,648.91/1,674,279,486.45 = 656,331,541.87/x
  3. Step 3: Cross multiply
    1,213,248,648.91x = 1,674,279,486.45 × 656,331,541.87
  4. Step 4: Simplify right side
    1,213,248,648.91x = 1,098,882,436,863,040,256
  5. Step 5: Solve for x
    x = 1,098,882,436,863,040,256/1,213,248,648.91
  6. Step 6: Final answer
    x = 905,735,553.76

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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.