Home / 1,323,438,249.40-1,985,232,023.70-403,344,604.60

Finding the Fourth Proportional to 1,323,438,249.40, 1,985,232,023.70 and 403,344,604.60

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Solution

The fourth proportional to 1,323,438,249.40, 1,985,232,023.70 and 403,344,604.60 is: 605,039,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,438,249.40 : 1,985,232,023.70 = 403,344,604.60 : x
  2. Step 2: Convert to fraction form
    1,323,438,249.40/1,985,232,023.70 = 403,344,604.60/x
  3. Step 3: Cross multiply
    1,323,438,249.40x = 1,985,232,023.70 × 403,344,604.60
  4. Step 4: Simplify right side
    1,323,438,249.40x = 800,732,625,638,534,400
  5. Step 5: Solve for x
    x = 800,732,625,638,534,400/1,323,438,249.40
  6. Step 6: Final answer
    x = 605,039,657.88

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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.