Home / 352,513,646.40-528,770,469.60-148,272,340.80

Finding the Fourth Proportional to 352,513,646.40, 528,770,469.60 and 148,272,340.80

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Solution

The fourth proportional to 352,513,646.40, 528,770,469.60 and 148,272,340.80 is: 222,408,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,513,646.40 : 528,770,469.60 = 148,272,340.80 : x
  2. Step 2: Convert to fraction form
    352,513,646.40/528,770,469.60 = 148,272,340.80/x
  3. Step 3: Cross multiply
    352,513,646.40x = 528,770,469.60 × 148,272,340.80
  4. Step 4: Simplify right side
    352,513,646.40x = 78,402,035,273,507,248
  5. Step 5: Solve for x
    x = 78,402,035,273,507,248/352,513,646.40
  6. Step 6: Final answer
    x = 222,408,511.20

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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.