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Finding the Fourth Proportional to 479,289,347.48, 718,974,912.64 and 168,369,790.40

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Solution

The fourth proportional to 479,289,347.48, 718,974,912.64 and 168,369,790.40 is: 252,569,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,289,347.48 : 718,974,912.64 = 168,369,790.40 : x
  2. Step 2: Convert to fraction form
    479,289,347.48/718,974,912.64 = 168,369,790.40/x
  3. Step 3: Cross multiply
    479,289,347.48x = 718,974,912.64 × 168,369,790.40
  4. Step 4: Simplify right side
    479,289,347.48x = 121,053,655,344,055,120
  5. Step 5: Solve for x
    x = 121,053,655,344,055,120/479,289,347.48
  6. Step 6: Final answer
    x = 252,569,050.37

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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.