Home / 1,091,200,167.07-1,505,856,834.72-589,408,948.42

Finding the Fourth Proportional to 1,091,200,167.07, 1,505,856,834.72 and 589,408,948.42

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Solution

The fourth proportional to 1,091,200,167.07, 1,505,856,834.72 and 589,408,948.42 is: 813,384,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,200,167.07 : 1,505,856,834.72 = 589,408,948.42 : x
  2. Step 2: Convert to fraction form
    1,091,200,167.07/1,505,856,834.72 = 589,408,948.42/x
  3. Step 3: Cross multiply
    1,091,200,167.07x = 1,505,856,834.72 × 589,408,948.42
  4. Step 4: Simplify right side
    1,091,200,167.07x = 887,565,493,419,620,352
  5. Step 5: Solve for x
    x = 887,565,493,419,620,352/1,091,200,167.07
  6. Step 6: Final answer
    x = 813,384,675.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.