Home / 5,121,807,903-7,065,930,583.91-3,428,808,007.05

Finding the Fourth Proportional to 5,121,807,903, 7,065,930,583.91 and 3,428,808,007.05

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Solution

The fourth proportional to 5,121,807,903, 7,065,930,583.91 and 3,428,808,007.05 is: 4,730,306,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,807,903 : 7,065,930,583.91 = 3,428,808,007.05 : x
  2. Step 2: Convert to fraction form
    5,121,807,903/7,065,930,583.91 = 3,428,808,007.05/x
  3. Step 3: Cross multiply
    5,121,807,903x = 7,065,930,583.91 × 3,428,808,007.05
  4. Step 4: Simplify right side
    5,121,807,903x = 24,227,719,363,378,663,424
  5. Step 5: Solve for x
    x = 24,227,719,363,378,663,424/5,121,807,903
  6. Step 6: Final answer
    x = 4,730,306,138.42

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1.5x scale

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.