Home / 439,582,381.92-659,233,580.52-144,408,985.80

Finding the Fourth Proportional to 439,582,381.92, 659,233,580.52 and 144,408,985.80

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Solution

The fourth proportional to 439,582,381.92, 659,233,580.52 and 144,408,985.80 is: 216,567,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,582,381.92 : 659,233,580.52 = 144,408,985.80 : x
  2. Step 2: Convert to fraction form
    439,582,381.92/659,233,580.52 = 144,408,985.80/x
  3. Step 3: Cross multiply
    439,582,381.92x = 659,233,580.52 × 144,408,985.80
  4. Step 4: Simplify right side
    439,582,381.92x = 95,199,252,768,195,840
  5. Step 5: Solve for x
    x = 95,199,252,768,195,840/439,582,381.92
  6. Step 6: Final answer
    x = 216,567,489.24

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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.