Home / 839,731,279.10-1,258,673,129.85-294,192,002.30

Finding the Fourth Proportional to 839,731,279.10, 1,258,673,129.85 and 294,192,002.30

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Solution

The fourth proportional to 839,731,279.10, 1,258,673,129.85 and 294,192,002.30 is: 440,964,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,731,279.10 : 1,258,673,129.85 = 294,192,002.30 : x
  2. Step 2: Convert to fraction form
    839,731,279.10/1,258,673,129.85 = 294,192,002.30/x
  3. Step 3: Cross multiply
    839,731,279.10x = 1,258,673,129.85 × 294,192,002.30
  4. Step 4: Simplify right side
    839,731,279.10x = 370,291,568,311,779,392
  5. Step 5: Solve for x
    x = 370,291,568,311,779,392/839,731,279.10
  6. Step 6: Final answer
    x = 440,964,362.68

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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.