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Finding the Fourth Proportional to 633,456,079.20, 888,047,834.40 and 633,456,079.20

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Solution

The fourth proportional to 633,456,079.20, 888,047,834.40 and 633,456,079.20 is: 888,047,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,456,079.20 : 888,047,834.40 = 633,456,079.20 : x
  2. Step 2: Convert to fraction form
    633,456,079.20/888,047,834.40 = 633,456,079.20/x
  3. Step 3: Cross multiply
    633,456,079.20x = 888,047,834.40 × 633,456,079.20
  4. Step 4: Simplify right side
    633,456,079.20x = 562,539,299,321,074,880
  5. Step 5: Solve for x
    x = 562,539,299,321,074,880/633,456,079.20
  6. Step 6: Final answer
    x = 888,047,834.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.