Home / 3,459,025,001.72-5,187,464,403.24-1,247,947,278.68

Finding the Fourth Proportional to 3,459,025,001.72, 5,187,464,403.24 and 1,247,947,278.68

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Solution

The fourth proportional to 3,459,025,001.72, 5,187,464,403.24 and 1,247,947,278.68 is: 1,871,533,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459,025,001.72 : 5,187,464,403.24 = 1,247,947,278.68 : x
  2. Step 2: Convert to fraction form
    3,459,025,001.72/5,187,464,403.24 = 1,247,947,278.68/x
  3. Step 3: Cross multiply
    3,459,025,001.72x = 5,187,464,403.24 × 1,247,947,278.68
  4. Step 4: Simplify right side
    3,459,025,001.72x = 6,473,682,085,272,728,576
  5. Step 5: Solve for x
    x = 6,473,682,085,272,728,576/3,459,025,001.72
  6. Step 6: Final answer
    x = 1,871,533,765.17

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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.