Home / 1,252,583,887,947.90-1,878,106,895,909.20-486,777,864,650.49

Finding the Fourth Proportional to 1,252,583,887,947.90, 1,878,106,895,909.20 and 486,777,864,650.49

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Solution

The fourth proportional to 1,252,583,887,947.90, 1,878,106,895,909.20 and 486,777,864,650.49 is: 729,867,973,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,583,887,947.90 : 1,878,106,895,909.20 = 486,777,864,650.49 : x
  2. Step 2: Convert to fraction form
    1,252,583,887,947.90/1,878,106,895,909.20 = 486,777,864,650.49/x
  3. Step 3: Cross multiply
    1,252,583,887,947.90x = 1,878,106,895,909.20 × 486,777,864,650.49
  4. Step 4: Simplify right side
    1,252,583,887,947.90x = 914,220,864,376,040,373,354,496
  5. Step 5: Solve for x
    x = 914,220,864,376,040,373,354,496/1,252,583,887,947.90
  6. Step 6: Final answer
    x = 729,867,973,851.88

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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.