Home / 575,423,998.40-863,135,997.60-329,780,158.40

Finding the Fourth Proportional to 575,423,998.40, 863,135,997.60 and 329,780,158.40

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Solution

The fourth proportional to 575,423,998.40, 863,135,997.60 and 329,780,158.40 is: 494,670,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,423,998.40 : 863,135,997.60 = 329,780,158.40 : x
  2. Step 2: Convert to fraction form
    575,423,998.40/863,135,997.60 = 329,780,158.40/x
  3. Step 3: Cross multiply
    575,423,998.40x = 863,135,997.60 × 329,780,158.40
  4. Step 4: Simplify right side
    575,423,998.40x = 284,645,126,009,270,016
  5. Step 5: Solve for x
    x = 284,645,126,009,270,016/575,423,998.40
  6. Step 6: Final answer
    x = 494,670,237.60

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Similar ratio
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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.