Home / 343,872,190.20-515,808,285.30-275,847,742.20

Finding the Fourth Proportional to 343,872,190.20, 515,808,285.30 and 275,847,742.20

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Solution

The fourth proportional to 343,872,190.20, 515,808,285.30 and 275,847,742.20 is: 413,771,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,872,190.20 : 515,808,285.30 = 275,847,742.20 : x
  2. Step 2: Convert to fraction form
    343,872,190.20/515,808,285.30 = 275,847,742.20/x
  3. Step 3: Cross multiply
    343,872,190.20x = 515,808,285.30 × 275,847,742.20
  4. Step 4: Simplify right side
    343,872,190.20x = 142,284,550,908,058,448
  5. Step 5: Solve for x
    x = 142,284,550,908,058,448/343,872,190.20
  6. Step 6: Final answer
    x = 413,771,613.30

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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.