Home / 279,603,742,034.98-419,413,427,449.28-90,949,638,282.48

Finding the Fourth Proportional to 279,603,742,034.98, 419,413,427,449.28 and 90,949,638,282.48

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Solution

The fourth proportional to 279,603,742,034.98, 419,413,427,449.28 and 90,949,638,282.48 is: 136,426,999,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,603,742,034.98 : 419,413,427,449.28 = 90,949,638,282.48 : x
  2. Step 2: Convert to fraction form
    279,603,742,034.98/419,413,427,449.28 = 90,949,638,282.48/x
  3. Step 3: Cross multiply
    279,603,742,034.98x = 419,413,427,449.28 × 90,949,638,282.48
  4. Step 4: Simplify right side
    279,603,742,034.98x = 38,145,499,517,327,186,591,744
  5. Step 5: Solve for x
    x = 38,145,499,517,327,186,591,744/279,603,742,034.98
  6. Step 6: Final answer
    x = 136,426,999,294.43

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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.