Home / 1,887,408,088.20-2,831,112,132.30-1,234,373,387.40

Finding the Fourth Proportional to 1,887,408,088.20, 2,831,112,132.30 and 1,234,373,387.40

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Solution

The fourth proportional to 1,887,408,088.20, 2,831,112,132.30 and 1,234,373,387.40 is: 1,851,560,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,408,088.20 : 2,831,112,132.30 = 1,234,373,387.40 : x
  2. Step 2: Convert to fraction form
    1,887,408,088.20/2,831,112,132.30 = 1,234,373,387.40/x
  3. Step 3: Cross multiply
    1,887,408,088.20x = 2,831,112,132.30 × 1,234,373,387.40
  4. Step 4: Simplify right side
    1,887,408,088.20x = 3,494,649,472,856,388,608
  5. Step 5: Solve for x
    x = 3,494,649,472,856,388,608/1,887,408,088.20
  6. Step 6: Final answer
    x = 1,851,560,081.10

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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.