Home / 2,390,126,651.40-3,298,377,956.31-1,318,405,806.12

Finding the Fourth Proportional to 2,390,126,651.40, 3,298,377,956.31 and 1,318,405,806.12

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Solution

The fourth proportional to 2,390,126,651.40, 3,298,377,956.31 and 1,318,405,806.12 is: 1,819,401,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,126,651.40 : 3,298,377,956.31 = 1,318,405,806.12 : x
  2. Step 2: Convert to fraction form
    2,390,126,651.40/3,298,377,956.31 = 1,318,405,806.12/x
  3. Step 3: Cross multiply
    2,390,126,651.40x = 3,298,377,956.31 × 1,318,405,806.12
  4. Step 4: Simplify right side
    2,390,126,651.40x = 4,348,600,648,377,323,008
  5. Step 5: Solve for x
    x = 4,348,600,648,377,323,008/2,390,126,651.40
  6. Step 6: Final answer
    x = 1,819,401,765.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.