Home / 1,987,426,408.31-2,742,612,861.52-1,083,190,487.27

Finding the Fourth Proportional to 1,987,426,408.31, 2,742,612,861.52 and 1,083,190,487.27

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Solution

The fourth proportional to 1,987,426,408.31, 2,742,612,861.52 and 1,083,190,487.27 is: 1,494,783,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,426,408.31 : 2,742,612,861.52 = 1,083,190,487.27 : x
  2. Step 2: Convert to fraction form
    1,987,426,408.31/2,742,612,861.52 = 1,083,190,487.27/x
  3. Step 3: Cross multiply
    1,987,426,408.31x = 2,742,612,861.52 × 1,083,190,487.27
  4. Step 4: Simplify right side
    1,987,426,408.31x = 2,970,772,161,862,817,792
  5. Step 5: Solve for x
    x = 2,970,772,161,862,817,792/1,987,426,408.31
  6. Step 6: Final answer
    x = 1,494,783,479.50

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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.