Home / 352,038,891.10-528,058,336.65-321,780,919.90

Finding the Fourth Proportional to 352,038,891.10, 528,058,336.65 and 321,780,919.90

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Solution

The fourth proportional to 352,038,891.10, 528,058,336.65 and 321,780,919.90 is: 482,671,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,038,891.10 : 528,058,336.65 = 321,780,919.90 : x
  2. Step 2: Convert to fraction form
    352,038,891.10/528,058,336.65 = 321,780,919.90/x
  3. Step 3: Cross multiply
    352,038,891.10x = 528,058,336.65 × 321,780,919.90
  4. Step 4: Simplify right side
    352,038,891.10x = 169,919,097,328,100,864
  5. Step 5: Solve for x
    x = 169,919,097,328,100,864/352,038,891.10
  6. Step 6: Final answer
    x = 482,671,379.85

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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.