Home / 881,388,009.40-1,322,082,014.10-306,959,337.40

Finding the Fourth Proportional to 881,388,009.40, 1,322,082,014.10 and 306,959,337.40

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Solution

The fourth proportional to 881,388,009.40, 1,322,082,014.10 and 306,959,337.40 is: 460,439,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,388,009.40 : 1,322,082,014.10 = 306,959,337.40 : x
  2. Step 2: Convert to fraction form
    881,388,009.40/1,322,082,014.10 = 306,959,337.40/x
  3. Step 3: Cross multiply
    881,388,009.40x = 1,322,082,014.10 × 306,959,337.40
  4. Step 4: Simplify right side
    881,388,009.40x = 405,825,419,036,593,408
  5. Step 5: Solve for x
    x = 405,825,419,036,593,408/881,388,009.40
  6. Step 6: Final answer
    x = 460,439,006.10

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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.