Home / 352,038,310.60-528,057,465.90-321,780,339.40

Finding the Fourth Proportional to 352,038,310.60, 528,057,465.90 and 321,780,339.40

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Solution

The fourth proportional to 352,038,310.60, 528,057,465.90 and 321,780,339.40 is: 482,670,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,038,310.60 : 528,057,465.90 = 321,780,339.40 : x
  2. Step 2: Convert to fraction form
    352,038,310.60/528,057,465.90 = 321,780,339.40/x
  3. Step 3: Cross multiply
    352,038,310.60x = 528,057,465.90 × 321,780,339.40
  4. Step 4: Simplify right side
    352,038,310.60x = 169,918,510,600,005,920
  5. Step 5: Solve for x
    x = 169,918,510,600,005,920/352,038,310.60
  6. Step 6: Final answer
    x = 482,670,509.10

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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.