Home / 439,184,221.20-658,328,434.20-257,337,795.60

Finding the Fourth Proportional to 439,184,221.20, 658,328,434.20 and 257,337,795.60

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Solution

The fourth proportional to 439,184,221.20, 658,328,434.20 and 257,337,795.60 is: 385,744,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,184,221.20 : 658,328,434.20 = 257,337,795.60 : x
  2. Step 2: Convert to fraction form
    439,184,221.20/658,328,434.20 = 257,337,795.60/x
  3. Step 3: Cross multiply
    439,184,221.20x = 658,328,434.20 × 257,337,795.60
  4. Step 4: Simplify right side
    439,184,221.20x = 169,412,788,037,827,648
  5. Step 5: Solve for x
    x = 169,412,788,037,827,648/439,184,221.20
  6. Step 6: Final answer
    x = 385,744,250.04

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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.