Home / 325,837,312.80-488,755,969.20-121,323,069.60

Finding the Fourth Proportional to 325,837,312.80, 488,755,969.20 and 121,323,069.60

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Solution

The fourth proportional to 325,837,312.80, 488,755,969.20 and 121,323,069.60 is: 181,984,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,837,312.80 : 488,755,969.20 = 121,323,069.60 : x
  2. Step 2: Convert to fraction form
    325,837,312.80/488,755,969.20 = 121,323,069.60/x
  3. Step 3: Cross multiply
    325,837,312.80x = 488,755,969.20 × 121,323,069.60
  4. Step 4: Simplify right side
    325,837,312.80x = 59,297,374,468,667,048
  5. Step 5: Solve for x
    x = 59,297,374,468,667,048/325,837,312.80
  6. Step 6: Final answer
    x = 181,984,604.40

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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.