Home / 1,426,542,887.18-2,140,324,040.28-867,442,231.15

Finding the Fourth Proportional to 1,426,542,887.18, 2,140,324,040.28 and 867,442,231.15

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Solution

The fourth proportional to 1,426,542,887.18, 2,140,324,040.28 and 867,442,231.15 is: 1,301,473,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,542,887.18 : 2,140,324,040.28 = 867,442,231.15 : x
  2. Step 2: Convert to fraction form
    1,426,542,887.18/2,140,324,040.28 = 867,442,231.15/x
  3. Step 3: Cross multiply
    1,426,542,887.18x = 2,140,324,040.28 × 867,442,231.15
  4. Step 4: Simplify right side
    1,426,542,887.18x = 1,856,607,460,882,411,008
  5. Step 5: Solve for x
    x = 1,856,607,460,882,411,008/1,426,542,887.18
  6. Step 6: Final answer
    x = 1,301,473,287.32

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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.