Home / 748,052,422.60-1,122,078,633.90-339,905,734.60

Finding the Fourth Proportional to 748,052,422.60, 1,122,078,633.90 and 339,905,734.60

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Solution

The fourth proportional to 748,052,422.60, 1,122,078,633.90 and 339,905,734.60 is: 509,858,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,052,422.60 : 1,122,078,633.90 = 339,905,734.60 : x
  2. Step 2: Convert to fraction form
    748,052,422.60/1,122,078,633.90 = 339,905,734.60/x
  3. Step 3: Cross multiply
    748,052,422.60x = 1,122,078,633.90 × 339,905,734.60
  4. Step 4: Simplify right side
    748,052,422.60x = 381,400,962,334,744,000
  5. Step 5: Solve for x
    x = 381,400,962,334,744,000/748,052,422.60
  6. Step 6: Final answer
    x = 509,858,601.90

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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.