Home / 1,667,289,261.69-2,500,687,889.12-486,552,712.40

Finding the Fourth Proportional to 1,667,289,261.69, 2,500,687,889.12 and 486,552,712.40

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Solution

The fourth proportional to 1,667,289,261.69, 2,500,687,889.12 and 486,552,712.40 is: 729,757,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,289,261.69 : 2,500,687,889.12 = 486,552,712.40 : x
  2. Step 2: Convert to fraction form
    1,667,289,261.69/2,500,687,889.12 = 486,552,712.40/x
  3. Step 3: Cross multiply
    1,667,289,261.69x = 2,500,687,889.12 × 486,552,712.40
  4. Step 4: Simplify right side
    1,667,289,261.69x = 1,216,716,475,302,230,016
  5. Step 5: Solve for x
    x = 1,216,716,475,302,230,016/1,667,289,261.69
  6. Step 6: Final answer
    x = 729,757,279.23

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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.