Home / 866,144,584.56-1,298,698,029.24-275,679,772.32

Finding the Fourth Proportional to 866,144,584.56, 1,298,698,029.24 and 275,679,772.32

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Solution

The fourth proportional to 866,144,584.56, 1,298,698,029.24 and 275,679,772.32 is: 413,354,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,144,584.56 : 1,298,698,029.24 = 275,679,772.32 : x
  2. Step 2: Convert to fraction form
    866,144,584.56/1,298,698,029.24 = 275,679,772.32/x
  3. Step 3: Cross multiply
    866,144,584.56x = 1,298,698,029.24 × 275,679,772.32
  4. Step 4: Simplify right side
    866,144,584.56x = 358,024,777,013,315,904
  5. Step 5: Solve for x
    x = 358,024,777,013,315,904/866,144,584.56
  6. Step 6: Final answer
    x = 413,354,517.70

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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.