Home / 725,560,807.92-1,088,161,848.24-310,990,617.46

Finding the Fourth Proportional to 725,560,807.92, 1,088,161,848.24 and 310,990,617.46

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Solution

The fourth proportional to 725,560,807.92, 1,088,161,848.24 and 310,990,617.46 is: 466,409,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,560,807.92 : 1,088,161,848.24 = 310,990,617.46 : x
  2. Step 2: Convert to fraction form
    725,560,807.92/1,088,161,848.24 = 310,990,617.46/x
  3. Step 3: Cross multiply
    725,560,807.92x = 1,088,161,848.24 × 310,990,617.46
  4. Step 4: Simplify right side
    725,560,807.92x = 338,408,125,083,601,856
  5. Step 5: Solve for x
    x = 338,408,125,083,601,856/725,560,807.92
  6. Step 6: Final answer
    x = 466,409,047.17

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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.