Home / 5,121,807,919.50-7,065,930,606.69-3,428,808,023.55

Finding the Fourth Proportional to 5,121,807,919.50, 7,065,930,606.69 and 3,428,808,023.55

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Solution

The fourth proportional to 5,121,807,919.50, 7,065,930,606.69 and 3,428,808,023.55 is: 4,730,306,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,807,919.50 : 7,065,930,606.69 = 3,428,808,023.55 : x
  2. Step 2: Convert to fraction form
    5,121,807,919.50/7,065,930,606.69 = 3,428,808,023.55/x
  3. Step 3: Cross multiply
    5,121,807,919.50x = 7,065,930,606.69 × 3,428,808,023.55
  4. Step 4: Simplify right side
    5,121,807,919.50x = 24,227,719,558,066,192,384
  5. Step 5: Solve for x
    x = 24,227,719,558,066,192,384/5,121,807,919.50
  6. Step 6: Final answer
    x = 4,730,306,161.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.