Home / 402,551,305.70-603,614,382.15-172,260,205.70

Finding the Fourth Proportional to 402,551,305.70, 603,614,382.15 and 172,260,205.70

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Solution

The fourth proportional to 402,551,305.70, 603,614,382.15 and 172,260,205.70 is: 258,299,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,551,305.70 : 603,614,382.15 = 172,260,205.70 : x
  2. Step 2: Convert to fraction form
    402,551,305.70/603,614,382.15 = 172,260,205.70/x
  3. Step 3: Cross multiply
    402,551,305.70x = 603,614,382.15 × 172,260,205.70
  4. Step 4: Simplify right side
    402,551,305.70x = 103,978,737,632,637,392
  5. Step 5: Solve for x
    x = 103,978,737,632,637,392/402,551,305.70
  6. Step 6: Final answer
    x = 258,299,342.62

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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.