Home / 2,856,565,107.30-4,284,847,660.95-786,606,348.90

Finding the Fourth Proportional to 2,856,565,107.30, 4,284,847,660.95 and 786,606,348.90

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Solution

The fourth proportional to 2,856,565,107.30, 4,284,847,660.95 and 786,606,348.90 is: 1,179,909,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,565,107.30 : 4,284,847,660.95 = 786,606,348.90 : x
  2. Step 2: Convert to fraction form
    2,856,565,107.30/4,284,847,660.95 = 786,606,348.90/x
  3. Step 3: Cross multiply
    2,856,565,107.30x = 4,284,847,660.95 × 786,606,348.90
  4. Step 4: Simplify right side
    2,856,565,107.30x = 3,370,488,374,172,584,448
  5. Step 5: Solve for x
    x = 3,370,488,374,172,584,448/2,856,565,107.30
  6. Step 6: Final answer
    x = 1,179,909,523.35

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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.