Home / 352,962,140.12-528,829,644.71-247,694,223.80

Finding the Fourth Proportional to 352,962,140.12, 528,829,644.71 and 247,694,223.80

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Solution

The fourth proportional to 352,962,140.12, 528,829,644.71 and 247,694,223.80 is: 371,110,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,962,140.12 : 528,829,644.71 = 247,694,223.80 : x
  2. Step 2: Convert to fraction form
    352,962,140.12/528,829,644.71 = 247,694,223.80/x
  3. Step 3: Cross multiply
    352,962,140.12x = 528,829,644.71 × 247,694,223.80
  4. Step 4: Simplify right side
    352,962,140.12x = 130,988,048,367,842,512
  5. Step 5: Solve for x
    x = 130,988,048,367,842,512/352,962,140.12
  6. Step 6: Final answer
    x = 371,110,760.84

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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.