Home / 2,649,318,132.20-3,973,977,198.30-2,631,178,279.40

Finding the Fourth Proportional to 2,649,318,132.20, 3,973,977,198.30 and 2,631,178,279.40

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Solution

The fourth proportional to 2,649,318,132.20, 3,973,977,198.30 and 2,631,178,279.40 is: 3,946,767,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649,318,132.20 : 3,973,977,198.30 = 2,631,178,279.40 : x
  2. Step 2: Convert to fraction form
    2,649,318,132.20/3,973,977,198.30 = 2,631,178,279.40/x
  3. Step 3: Cross multiply
    2,649,318,132.20x = 3,973,977,198.30 × 2,631,178,279.40
  4. Step 4: Simplify right side
    2,649,318,132.20x = 10,456,242,486,997,827,584
  5. Step 5: Solve for x
    x = 10,456,242,486,997,827,584/2,649,318,132.20
  6. Step 6: Final answer
    x = 3,946,767,419.10

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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.