Home / 924,705,693.12-1,387,058,512.88-426,568,825.19

Finding the Fourth Proportional to 924,705,693.12, 1,387,058,512.88 and 426,568,825.19

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Solution

The fourth proportional to 924,705,693.12, 1,387,058,512.88 and 426,568,825.19 is: 639,853,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,705,693.12 : 1,387,058,512.88 = 426,568,825.19 : x
  2. Step 2: Convert to fraction form
    924,705,693.12/1,387,058,512.88 = 426,568,825.19/x
  3. Step 3: Cross multiply
    924,705,693.12x = 1,387,058,512.88 × 426,568,825.19
  4. Step 4: Simplify right side
    924,705,693.12x = 591,675,920,309,010,176
  5. Step 5: Solve for x
    x = 591,675,920,309,010,176/924,705,693.12
  6. Step 6: Final answer
    x = 639,853,225.42

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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.