Home / 8,540,213,145.60-12,788,820,633.60-5,616,337,612.80

Finding the Fourth Proportional to 8,540,213,145.60, 12,788,820,633.60 and 5,616,337,612.80

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Solution

The fourth proportional to 8,540,213,145.60, 12,788,820,633.60 and 5,616,337,612.80 is: 8,410,367,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,213,145.60 : 12,788,820,633.60 = 5,616,337,612.80 : x
  2. Step 2: Convert to fraction form
    8,540,213,145.60/12,788,820,633.60 = 5,616,337,612.80/x
  3. Step 3: Cross multiply
    8,540,213,145.60x = 12,788,820,633.60 × 5,616,337,612.80
  4. Step 4: Simplify right side
    8,540,213,145.60x = 71,826,334,347,840,413,696
  5. Step 5: Solve for x
    x = 71,826,334,347,840,413,696/8,540,213,145.60
  6. Step 6: Final answer
    x = 8,410,367,882.31

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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.