Home / 812,156,267,660.94-1,120,802,527,917.10-446,363,436,657.69

Finding the Fourth Proportional to 812,156,267,660.94, 1,120,802,527,917.10 and 446,363,436,657.69

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Solution

The fourth proportional to 812,156,267,660.94, 1,120,802,527,917.10 and 446,363,436,657.69 is: 615,996,315,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,156,267,660.94 : 1,120,802,527,917.10 = 446,363,436,657.69 : x
  2. Step 2: Convert to fraction form
    812,156,267,660.94/1,120,802,527,917.10 = 446,363,436,657.69/x
  3. Step 3: Cross multiply
    812,156,267,660.94x = 1,120,802,527,917.10 × 446,363,436,657.69
  4. Step 4: Simplify right side
    812,156,267,660.94x = 500,285,268,175,703,309,811,712
  5. Step 5: Solve for x
    x = 500,285,268,175,703,309,811,712/812,156,267,660.94
  6. Step 6: Final answer
    x = 615,996,315,113.78

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Double scale
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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.