Home / 352,039,330.60-528,058,995.90-321,781,359.40

Finding the Fourth Proportional to 352,039,330.60, 528,058,995.90 and 321,781,359.40

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Solution

The fourth proportional to 352,039,330.60, 528,058,995.90 and 321,781,359.40 is: 482,672,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,039,330.60 : 528,058,995.90 = 321,781,359.40 : x
  2. Step 2: Convert to fraction form
    352,039,330.60/528,058,995.90 = 321,781,359.40/x
  3. Step 3: Cross multiply
    352,039,330.60x = 528,058,995.90 × 321,781,359.40
  4. Step 4: Simplify right side
    352,039,330.60x = 169,919,541,544,100,992
  5. Step 5: Solve for x
    x = 169,919,541,544,100,992/352,039,330.60
  6. Step 6: Final answer
    x = 482,672,039.10

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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.