Home / 1,299,229,737.15-1,948,959,170.55-366,560,745.15

Finding the Fourth Proportional to 1,299,229,737.15, 1,948,959,170.55 and 366,560,745.15

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Solution

The fourth proportional to 1,299,229,737.15, 1,948,959,170.55 and 366,560,745.15 is: 549,873,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,229,737.15 : 1,948,959,170.55 = 366,560,745.15 : x
  2. Step 2: Convert to fraction form
    1,299,229,737.15/1,948,959,170.55 = 366,560,745.15/x
  3. Step 3: Cross multiply
    1,299,229,737.15x = 1,948,959,170.55 × 366,560,745.15
  4. Step 4: Simplify right side
    1,299,229,737.15x = 714,411,925,823,733,888
  5. Step 5: Solve for x
    x = 714,411,925,823,733,888/1,299,229,737.15
  6. Step 6: Final answer
    x = 549,873,440.70

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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.