Home / 5,220,941,757.47-7,831,672,379.03-1,490,786,607.73

Finding the Fourth Proportional to 5,220,941,757.47, 7,831,672,379.03 and 1,490,786,607.73

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Solution

The fourth proportional to 5,220,941,757.47, 7,831,672,379.03 and 1,490,786,607.73 is: 2,236,254,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,941,757.47 : 7,831,672,379.03 = 1,490,786,607.73 : x
  2. Step 2: Convert to fraction form
    5,220,941,757.47/7,831,672,379.03 = 1,490,786,607.73/x
  3. Step 3: Cross multiply
    5,220,941,757.47x = 7,831,672,379.03 × 1,490,786,607.73
  4. Step 4: Simplify right side
    5,220,941,757.47x = 11,675,352,298,752,454,656
  5. Step 5: Solve for x
    x = 11,675,352,298,752,454,656/5,220,941,757.47
  6. Step 6: Final answer
    x = 2,236,254,078.50

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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.