Home / 343,872,144.70-515,808,217.05-275,847,696.70

Finding the Fourth Proportional to 343,872,144.70, 515,808,217.05 and 275,847,696.70

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Solution

The fourth proportional to 343,872,144.70, 515,808,217.05 and 275,847,696.70 is: 413,771,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,872,144.70 : 515,808,217.05 = 275,847,696.70 : x
  2. Step 2: Convert to fraction form
    343,872,144.70/515,808,217.05 = 275,847,696.70/x
  3. Step 3: Cross multiply
    343,872,144.70x = 515,808,217.05 × 275,847,696.70
  4. Step 4: Simplify right side
    343,872,144.70x = 142,284,508,612,176,160
  5. Step 5: Solve for x
    x = 142,284,508,612,176,160/343,872,144.70
  6. Step 6: Final answer
    x = 413,771,545.05

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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.