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Finding the Fourth Proportional to 465,489,212.79, 698,305,563.71 and 158,709,581.13

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Solution

The fourth proportional to 465,489,212.79, 698,305,563.71 and 158,709,581.13 is: 238,088,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,489,212.79 : 698,305,563.71 = 158,709,581.13 : x
  2. Step 2: Convert to fraction form
    465,489,212.79/698,305,563.71 = 158,709,581.13/x
  3. Step 3: Cross multiply
    465,489,212.79x = 698,305,563.71 × 158,709,581.13
  4. Step 4: Simplify right side
    465,489,212.79x = 110,827,783,517,162,624
  5. Step 5: Solve for x
    x = 110,827,783,517,162,624/465,489,212.79
  6. Step 6: Final answer
    x = 238,088,833.15

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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.