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Finding the Fourth Proportional to 663,736,133.20, 994,753,894.20 and 590,609,851.60

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Solution

The fourth proportional to 663,736,133.20, 994,753,894.20 and 590,609,851.60 is: 885,158,153.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,736,133.20 : 994,753,894.20 = 590,609,851.60 : x
  2. Step 2: Convert to fraction form
    663,736,133.20/994,753,894.20 = 590,609,851.60/x
  3. Step 3: Cross multiply
    663,736,133.20x = 994,753,894.20 × 590,609,851.60
  4. Step 4: Simplify right side
    663,736,133.20x = 587,511,449,831,984,128
  5. Step 5: Solve for x
    x = 587,511,449,831,984,128/663,736,133.20
  6. Step 6: Final answer
    x = 885,158,153.13

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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.