Home / 389,654,814.72-537,519,774.72-240,928,394.88

Finding the Fourth Proportional to 389,654,814.72, 537,519,774.72 and 240,928,394.88

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Solution

The fourth proportional to 389,654,814.72, 537,519,774.72 and 240,928,394.88 is: 332,355,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,654,814.72 : 537,519,774.72 = 240,928,394.88 : x
  2. Step 2: Convert to fraction form
    389,654,814.72/537,519,774.72 = 240,928,394.88/x
  3. Step 3: Cross multiply
    389,654,814.72x = 537,519,774.72 × 240,928,394.88
  4. Step 4: Simplify right side
    389,654,814.72x = 129,503,776,539,548,800
  5. Step 5: Solve for x
    x = 129,503,776,539,548,800/389,654,814.72
  6. Step 6: Final answer
    x = 332,355,129.84

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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.