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Finding the Fourth Proportional to 322,908,078.15, 483,968,615.61 and 167,376,139.90

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Solution

The fourth proportional to 322,908,078.15, 483,968,615.61 and 167,376,139.90 is: 250,860,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,908,078.15 : 483,968,615.61 = 167,376,139.90 : x
  2. Step 2: Convert to fraction form
    322,908,078.15/483,968,615.61 = 167,376,139.90/x
  3. Step 3: Cross multiply
    322,908,078.15x = 483,968,615.61 × 167,376,139.90
  4. Step 4: Simplify right side
    322,908,078.15x = 81,004,798,711,553,776
  5. Step 5: Solve for x
    x = 81,004,798,711,553,776/322,908,078.15
  6. Step 6: Final answer
    x = 250,860,242.26

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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.