Home / 429,147,713.05-642,783,049.01-304,271,819.58

Finding the Fourth Proportional to 429,147,713.05, 642,783,049.01 and 304,271,819.58

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Solution

The fourth proportional to 429,147,713.05, 642,783,049.01 and 304,271,819.58 is: 455,742,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,147,713.05 : 642,783,049.01 = 304,271,819.58 : x
  2. Step 2: Convert to fraction form
    429,147,713.05/642,783,049.01 = 304,271,819.58/x
  3. Step 3: Cross multiply
    429,147,713.05x = 642,783,049.01 × 304,271,819.58
  4. Step 4: Simplify right side
    429,147,713.05x = 195,580,767,917,452,992
  5. Step 5: Solve for x
    x = 195,580,767,917,452,992/429,147,713.05
  6. Step 6: Final answer
    x = 455,742,304.97

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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.