Home / 1,328,544,099.30-1,992,816,148.95-591,612,579.30

Finding the Fourth Proportional to 1,328,544,099.30, 1,992,816,148.95 and 591,612,579.30

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Solution

The fourth proportional to 1,328,544,099.30, 1,992,816,148.95 and 591,612,579.30 is: 887,418,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,544,099.30 : 1,992,816,148.95 = 591,612,579.30 : x
  2. Step 2: Convert to fraction form
    1,328,544,099.30/1,992,816,148.95 = 591,612,579.30/x
  3. Step 3: Cross multiply
    1,328,544,099.30x = 1,992,816,148.95 × 591,612,579.30
  4. Step 4: Simplify right side
    1,328,544,099.30x = 1,178,975,101,951,002,368
  5. Step 5: Solve for x
    x = 1,178,975,101,951,002,368/1,328,544,099.30
  6. Step 6: Final answer
    x = 887,418,868.95

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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.