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Finding the Fourth Proportional to 483,987,689.60, 726,264,969.60 and 177,310,803.20

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Solution

The fourth proportional to 483,987,689.60, 726,264,969.60 and 177,310,803.20 is: 266,070,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,987,689.60 : 726,264,969.60 = 177,310,803.20 : x
  2. Step 2: Convert to fraction form
    483,987,689.60/726,264,969.60 = 177,310,803.20/x
  3. Step 3: Cross multiply
    483,987,689.60x = 726,264,969.60 × 177,310,803.20
  4. Step 4: Simplify right side
    483,987,689.60x = 128,774,625,095,799,584
  5. Step 5: Solve for x
    x = 128,774,625,095,799,584/483,987,689.60
  6. Step 6: Final answer
    x = 266,070,042.41

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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.