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Finding the Fourth Proportional to 664,358,231.80, 996,532,098.90 and 173,070,551.80

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Solution

The fourth proportional to 664,358,231.80, 996,532,098.90 and 173,070,551.80 is: 259,604,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,358,231.80 : 996,532,098.90 = 173,070,551.80 : x
  2. Step 2: Convert to fraction form
    664,358,231.80/996,532,098.90 = 173,070,551.80/x
  3. Step 3: Cross multiply
    664,358,231.80x = 996,532,098.90 × 173,070,551.80
  4. Step 4: Simplify right side
    664,358,231.80x = 172,470,360,243,035,168
  5. Step 5: Solve for x
    x = 172,470,360,243,035,168/664,358,231.80
  6. Step 6: Final answer
    x = 259,604,460.35

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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.