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Finding the Fourth Proportional to 555,713,994.60, 833,570,991.90 and 146,770,145.10

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Solution

The fourth proportional to 555,713,994.60, 833,570,991.90 and 146,770,145.10 is: 220,155,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,713,994.60 : 833,570,991.90 = 146,770,145.10 : x
  2. Step 2: Convert to fraction form
    555,713,994.60/833,570,991.90 = 146,770,145.10/x
  3. Step 3: Cross multiply
    555,713,994.60x = 833,570,991.90 × 146,770,145.10
  4. Step 4: Simplify right side
    555,713,994.60x = 122,343,335,432,313,920
  5. Step 5: Solve for x
    x = 122,343,335,432,313,920/555,713,994.60
  6. Step 6: Final answer
    x = 220,155,217.65

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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.