Home / 352,038,203.10-528,057,304.65-321,780,231.90

Finding the Fourth Proportional to 352,038,203.10, 528,057,304.65 and 321,780,231.90

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Solution

The fourth proportional to 352,038,203.10, 528,057,304.65 and 321,780,231.90 is: 482,670,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,038,203.10 : 528,057,304.65 = 321,780,231.90 : x
  2. Step 2: Convert to fraction form
    352,038,203.10/528,057,304.65 = 321,780,231.90/x
  3. Step 3: Cross multiply
    352,038,203.10x = 528,057,304.65 × 321,780,231.90
  4. Step 4: Simplify right side
    352,038,203.10x = 169,918,401,946,765,920
  5. Step 5: Solve for x
    x = 169,918,401,946,765,920/352,038,203.10
  6. Step 6: Final answer
    x = 482,670,347.85

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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.