Home / 4,139,840,278.60-6,209,760,417.90-4,085,420,720.20

Finding the Fourth Proportional to 4,139,840,278.60, 6,209,760,417.90 and 4,085,420,720.20

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Solution

The fourth proportional to 4,139,840,278.60, 6,209,760,417.90 and 4,085,420,720.20 is: 6,128,131,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,840,278.60 : 6,209,760,417.90 = 4,085,420,720.20 : x
  2. Step 2: Convert to fraction form
    4,139,840,278.60/6,209,760,417.90 = 4,085,420,720.20/x
  3. Step 3: Cross multiply
    4,139,840,278.60x = 6,209,760,417.90 × 4,085,420,720.20
  4. Step 4: Simplify right side
    4,139,840,278.60x = 25,369,483,878,766,469,120
  5. Step 5: Solve for x
    x = 25,369,483,878,766,469,120/4,139,840,278.60
  6. Step 6: Final answer
    x = 6,128,131,080.30

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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.