Home / 988,733,311.59-1,482,265,863.33-813,864,975.58

Finding the Fourth Proportional to 988,733,311.59, 1,482,265,863.33 and 813,864,975.58

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Solution

The fourth proportional to 988,733,311.59, 1,482,265,863.33 and 813,864,975.58 is: 1,220,110,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,733,311.59 : 1,482,265,863.33 = 813,864,975.58 : x
  2. Step 2: Convert to fraction form
    988,733,311.59/1,482,265,863.33 = 813,864,975.58/x
  3. Step 3: Cross multiply
    988,733,311.59x = 1,482,265,863.33 × 813,864,975.58
  4. Step 4: Simplify right side
    988,733,311.59x = 1,206,364,270,660,994,304
  5. Step 5: Solve for x
    x = 1,206,364,270,660,994,304/988,733,311.59
  6. Step 6: Final answer
    x = 1,220,110,879.76

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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.