Home / 381,420,465.63-526,328,023.90-230,769,250.89

Finding the Fourth Proportional to 381,420,465.63, 526,328,023.90 and 230,769,250.89

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Solution

The fourth proportional to 381,420,465.63, 526,328,023.90 and 230,769,250.89 is: 318,442,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,420,465.63 : 526,328,023.90 = 230,769,250.89 : x
  2. Step 2: Convert to fraction form
    381,420,465.63/526,328,023.90 = 230,769,250.89/x
  3. Step 3: Cross multiply
    381,420,465.63x = 526,328,023.90 × 230,769,250.89
  4. Step 4: Simplify right side
    381,420,465.63x = 121,460,323,797,817,008
  5. Step 5: Solve for x
    x = 121,460,323,797,817,008/381,420,465.63
  6. Step 6: Final answer
    x = 318,442,073.10

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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.