Home / 352,039,276.60-528,058,914.90-321,781,305.40

Finding the Fourth Proportional to 352,039,276.60, 528,058,914.90 and 321,781,305.40

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Solution

The fourth proportional to 352,039,276.60, 528,058,914.90 and 321,781,305.40 is: 482,671,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,039,276.60 : 528,058,914.90 = 321,781,305.40 : x
  2. Step 2: Convert to fraction form
    352,039,276.60/528,058,914.90 = 321,781,305.40/x
  3. Step 3: Cross multiply
    352,039,276.60x = 528,058,914.90 × 321,781,305.40
  4. Step 4: Simplify right side
    352,039,276.60x = 169,919,486,964,629,504
  5. Step 5: Solve for x
    x = 169,919,486,964,629,504/352,039,276.60
  6. Step 6: Final answer
    x = 482,671,958.10

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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.