Home / 439,787,246.80-659,260,966.20-163,364,443.60

Finding the Fourth Proportional to 439,787,246.80, 659,260,966.20 and 163,364,443.60

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Solution

The fourth proportional to 439,787,246.80, 659,260,966.20 and 163,364,443.60 is: 244,890,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,787,246.80 : 659,260,966.20 = 163,364,443.60 : x
  2. Step 2: Convert to fraction form
    439,787,246.80/659,260,966.20 = 163,364,443.60/x
  3. Step 3: Cross multiply
    439,787,246.80x = 659,260,966.20 × 163,364,443.60
  4. Step 4: Simplify right side
    439,787,246.80x = 107,699,800,930,461,408
  5. Step 5: Solve for x
    x = 107,699,800,930,461,408/439,787,246.80
  6. Step 6: Final answer
    x = 244,890,686.84

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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.