Home / 354,578,685.91-531,444,878.37-165,029,738.04

Finding the Fourth Proportional to 354,578,685.91, 531,444,878.37 and 165,029,738.04

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Solution

The fourth proportional to 354,578,685.91, 531,444,878.37 and 165,029,738.04 is: 247,347,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,578,685.91 : 531,444,878.37 = 165,029,738.04 : x
  2. Step 2: Convert to fraction form
    354,578,685.91/531,444,878.37 = 165,029,738.04/x
  3. Step 3: Cross multiply
    354,578,685.91x = 531,444,878.37 × 165,029,738.04
  4. Step 4: Simplify right side
    354,578,685.91x = 87,704,209,060,100,752
  5. Step 5: Solve for x
    x = 87,704,209,060,100,752/354,578,685.91
  6. Step 6: Final answer
    x = 247,347,662.30

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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.