Home / 2,856,591,404.80-4,284,887,107.20-786,632,646.40

Finding the Fourth Proportional to 2,856,591,404.80, 4,284,887,107.20 and 786,632,646.40

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Solution

The fourth proportional to 2,856,591,404.80, 4,284,887,107.20 and 786,632,646.40 is: 1,179,948,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,591,404.80 : 4,284,887,107.20 = 786,632,646.40 : x
  2. Step 2: Convert to fraction form
    2,856,591,404.80/4,284,887,107.20 = 786,632,646.40/x
  3. Step 3: Cross multiply
    2,856,591,404.80x = 4,284,887,107.20 × 786,632,646.40
  4. Step 4: Simplify right side
    2,856,591,404.80x = 3,370,632,084,661,976,064
  5. Step 5: Solve for x
    x = 3,370,632,084,661,976,064/2,856,591,404.80
  6. Step 6: Final answer
    x = 1,179,948,969.60

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1.5x scale

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.