Home / 725,560,916.32-1,088,162,009.84-310,990,725.60

Finding the Fourth Proportional to 725,560,916.32, 1,088,162,009.84 and 310,990,725.60

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Solution

The fourth proportional to 725,560,916.32, 1,088,162,009.84 and 310,990,725.60 is: 466,409,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,560,916.32 : 1,088,162,009.84 = 310,990,725.60 : x
  2. Step 2: Convert to fraction form
    725,560,916.32/1,088,162,009.84 = 310,990,725.60/x
  3. Step 3: Cross multiply
    725,560,916.32x = 1,088,162,009.84 × 310,990,725.60
  4. Step 4: Simplify right side
    725,560,916.32x = 338,408,293,010,495,936
  5. Step 5: Solve for x
    x = 338,408,293,010,495,936/725,560,916.32
  6. Step 6: Final answer
    x = 466,409,208.93

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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.