Home / 343,872,117.20-515,808,175.80-275,847,669.20

Finding the Fourth Proportional to 343,872,117.20, 515,808,175.80 and 275,847,669.20

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Solution

The fourth proportional to 343,872,117.20, 515,808,175.80 and 275,847,669.20 is: 413,771,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,872,117.20 : 515,808,175.80 = 275,847,669.20 : x
  2. Step 2: Convert to fraction form
    343,872,117.20/515,808,175.80 = 275,847,669.20/x
  3. Step 3: Cross multiply
    343,872,117.20x = 515,808,175.80 × 275,847,669.20
  4. Step 4: Simplify right side
    343,872,117.20x = 142,284,483,048,733,840
  5. Step 5: Solve for x
    x = 142,284,483,048,733,840/343,872,117.20
  6. Step 6: Final answer
    x = 413,771,503.80

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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.