Home / 615,446,909.20-923,170,363.80-184,625,405.20

Finding the Fourth Proportional to 615,446,909.20, 923,170,363.80 and 184,625,405.20

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Solution

The fourth proportional to 615,446,909.20, 923,170,363.80 and 184,625,405.20 is: 276,938,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,446,909.20 : 923,170,363.80 = 184,625,405.20 : x
  2. Step 2: Convert to fraction form
    615,446,909.20/923,170,363.80 = 184,625,405.20/x
  3. Step 3: Cross multiply
    615,446,909.20x = 923,170,363.80 × 184,625,405.20
  4. Step 4: Simplify right side
    615,446,909.20x = 170,440,702,485,206,400
  5. Step 5: Solve for x
    x = 170,440,702,485,206,400/615,446,909.20
  6. Step 6: Final answer
    x = 276,938,107.80

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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.