Home / 976,650,811.30-1,466,676,828.15-517,485,787.30

Finding the Fourth Proportional to 976,650,811.30, 1,466,676,828.15 and 517,485,787.30

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Solution

The fourth proportional to 976,650,811.30, 1,466,676,828.15 and 517,485,787.30 is: 777,129,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,650,811.30 : 1,466,676,828.15 = 517,485,787.30 : x
  2. Step 2: Convert to fraction form
    976,650,811.30/1,466,676,828.15 = 517,485,787.30/x
  3. Step 3: Cross multiply
    976,650,811.30x = 1,466,676,828.15 × 517,485,787.30
  4. Step 4: Simplify right side
    976,650,811.30x = 758,984,413,129,869,568
  5. Step 5: Solve for x
    x = 758,984,413,129,869,568/976,650,811.30
  6. Step 6: Final answer
    x = 777,129,762.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.