Home / 352,515,633.20-528,773,449.80-328,627,761.20

Finding the Fourth Proportional to 352,515,633.20, 528,773,449.80 and 328,627,761.20

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Solution

The fourth proportional to 352,515,633.20, 528,773,449.80 and 328,627,761.20 is: 492,941,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,515,633.20 : 528,773,449.80 = 328,627,761.20 : x
  2. Step 2: Convert to fraction form
    352,515,633.20/528,773,449.80 = 328,627,761.20/x
  3. Step 3: Cross multiply
    352,515,633.20x = 528,773,449.80 × 328,627,761.20
  4. Step 4: Simplify right side
    352,515,633.20x = 173,769,634,989,774,592
  5. Step 5: Solve for x
    x = 173,769,634,989,774,592/352,515,633.20
  6. Step 6: Final answer
    x = 492,941,641.80

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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.