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Finding the Fourth Proportional to 365,835,374.19, 548,860,859.13 and 147,373,298.19

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Solution

The fourth proportional to 365,835,374.19, 548,860,859.13 and 147,373,298.19 is: 221,103,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,835,374.19 : 548,860,859.13 = 147,373,298.19 : x
  2. Step 2: Convert to fraction form
    365,835,374.19/548,860,859.13 = 147,373,298.19/x
  3. Step 3: Cross multiply
    365,835,374.19x = 548,860,859.13 × 147,373,298.19
  4. Step 4: Simplify right side
    365,835,374.19x = 80,887,435,057,385,072
  5. Step 5: Solve for x
    x = 80,887,435,057,385,072/365,835,374.19
  6. Step 6: Final answer
    x = 221,103,372.62

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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.