Home / 575,425,902.40-863,138,853.60-391,759,892.80

Finding the Fourth Proportional to 575,425,902.40, 863,138,853.60 and 391,759,892.80

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Solution

The fourth proportional to 575,425,902.40, 863,138,853.60 and 391,759,892.80 is: 587,639,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,425,902.40 : 863,138,853.60 = 391,759,892.80 : x
  2. Step 2: Convert to fraction form
    575,425,902.40/863,138,853.60 = 391,759,892.80/x
  3. Step 3: Cross multiply
    575,425,902.40x = 863,138,853.60 × 391,759,892.80
  4. Step 4: Simplify right side
    575,425,902.40x = 338,143,184,757,850,944
  5. Step 5: Solve for x
    x = 338,143,184,757,850,944/575,425,902.40
  6. Step 6: Final answer
    x = 587,639,839.20

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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.