Home / 1,380,889,262.25-2,072,151,104.40-508,103,541.90

Finding the Fourth Proportional to 1,380,889,262.25, 2,072,151,104.40 and 508,103,541.90

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Solution

The fourth proportional to 1,380,889,262.25, 2,072,151,104.40 and 508,103,541.90 is: 762,456,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,889,262.25 : 2,072,151,104.40 = 508,103,541.90 : x
  2. Step 2: Convert to fraction form
    1,380,889,262.25/2,072,151,104.40 = 508,103,541.90/x
  3. Step 3: Cross multiply
    1,380,889,262.25x = 2,072,151,104.40 × 508,103,541.90
  4. Step 4: Simplify right side
    1,380,889,262.25x = 1,052,867,315,497,636,736
  5. Step 5: Solve for x
    x = 1,052,867,315,497,636,736/1,380,889,262.25
  6. Step 6: Final answer
    x = 762,456,008.81

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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.