Home / 988,733,335.56-1,482,265,899.36-813,864,999.57

Finding the Fourth Proportional to 988,733,335.56, 1,482,265,899.36 and 813,864,999.57

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Solution

The fourth proportional to 988,733,335.56, 1,482,265,899.36 and 813,864,999.57 is: 1,220,110,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,733,335.56 : 1,482,265,899.36 = 813,864,999.57 : x
  2. Step 2: Convert to fraction form
    988,733,335.56/1,482,265,899.36 = 813,864,999.57/x
  3. Step 3: Cross multiply
    988,733,335.56x = 1,482,265,899.36 × 813,864,999.57
  4. Step 4: Simplify right side
    988,733,335.56x = 1,206,364,335,545,252,096
  5. Step 5: Solve for x
    x = 1,206,364,335,545,252,096/988,733,335.56
  6. Step 6: Final answer
    x = 1,220,110,915.81

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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.