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Finding the Fourth Proportional to 1,489,792,218.15, 2,234,688,327.23 and 1,489,792,218.15

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Solution

The fourth proportional to 1,489,792,218.15, 2,234,688,327.23 and 1,489,792,218.15 is: 2,234,688,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,792,218.15 : 2,234,688,327.23 = 1,489,792,218.15 : x
  2. Step 2: Convert to fraction form
    1,489,792,218.15/2,234,688,327.23 = 1,489,792,218.15/x
  3. Step 3: Cross multiply
    1,489,792,218.15x = 2,234,688,327.23 × 1,489,792,218.15
  4. Step 4: Simplify right side
    1,489,792,218.15x = 3,329,221,279,897,894,912
  5. Step 5: Solve for x
    x = 3,329,221,279,897,894,912/1,489,792,218.15
  6. Step 6: Final answer
    x = 2,234,688,327.23

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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.