Home / 1,492,419,765.70-2,238,629,648.55-715,665,600.10

Finding the Fourth Proportional to 1,492,419,765.70, 2,238,629,648.55 and 715,665,600.10

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Solution

The fourth proportional to 1,492,419,765.70, 2,238,629,648.55 and 715,665,600.10 is: 1,073,498,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,419,765.70 : 2,238,629,648.55 = 715,665,600.10 : x
  2. Step 2: Convert to fraction form
    1,492,419,765.70/2,238,629,648.55 = 715,665,600.10/x
  3. Step 3: Cross multiply
    1,492,419,765.70x = 2,238,629,648.55 × 715,665,600.10
  4. Step 4: Simplify right side
    1,492,419,765.70x = 1,602,110,230,831,187,968
  5. Step 5: Solve for x
    x = 1,602,110,230,831,187,968/1,492,419,765.70
  6. Step 6: Final answer
    x = 1,073,498,400.15

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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.