Home / 347,753,344.20-521,630,016.30-245,716,672.20

Finding the Fourth Proportional to 347,753,344.20, 521,630,016.30 and 245,716,672.20

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Solution

The fourth proportional to 347,753,344.20, 521,630,016.30 and 245,716,672.20 is: 368,575,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,753,344.20 : 521,630,016.30 = 245,716,672.20 : x
  2. Step 2: Convert to fraction form
    347,753,344.20/521,630,016.30 = 245,716,672.20/x
  3. Step 3: Cross multiply
    347,753,344.20x = 521,630,016.30 × 245,716,672.20
  4. Step 4: Simplify right side
    347,753,344.20x = 128,173,191,724,867,760
  5. Step 5: Solve for x
    x = 128,173,191,724,867,760/347,753,344.20
  6. Step 6: Final answer
    x = 368,575,008.30

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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.