Home / 4,139,840,277.60-6,209,760,416.40-4,085,420,719.20

Finding the Fourth Proportional to 4,139,840,277.60, 6,209,760,416.40 and 4,085,420,719.20

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Solution

The fourth proportional to 4,139,840,277.60, 6,209,760,416.40 and 4,085,420,719.20 is: 6,128,131,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,840,277.60 : 6,209,760,416.40 = 4,085,420,719.20 : x
  2. Step 2: Convert to fraction form
    4,139,840,277.60/6,209,760,416.40 = 4,085,420,719.20/x
  3. Step 3: Cross multiply
    4,139,840,277.60x = 6,209,760,416.40 × 4,085,420,719.20
  4. Step 4: Simplify right side
    4,139,840,277.60x = 25,369,483,866,428,575,744
  5. Step 5: Solve for x
    x = 25,369,483,866,428,575,744/4,139,840,277.60
  6. Step 6: Final answer
    x = 6,128,131,078.80

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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.