Home / 352,038,217.60-528,057,326.40-321,780,246.40

Finding the Fourth Proportional to 352,038,217.60, 528,057,326.40 and 321,780,246.40

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Solution

The fourth proportional to 352,038,217.60, 528,057,326.40 and 321,780,246.40 is: 482,670,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,038,217.60 : 528,057,326.40 = 321,780,246.40 : x
  2. Step 2: Convert to fraction form
    352,038,217.60/528,057,326.40 = 321,780,246.40/x
  3. Step 3: Cross multiply
    352,038,217.60x = 528,057,326.40 × 321,780,246.40
  4. Step 4: Simplify right side
    352,038,217.60x = 169,918,416,602,317,216
  5. Step 5: Solve for x
    x = 169,918,416,602,317,216/352,038,217.60
  6. Step 6: Final answer
    x = 482,670,369.60

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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.