Home / 372,294,821.28-557,392,321.04-197,020,855.52

Finding the Fourth Proportional to 372,294,821.28, 557,392,321.04 and 197,020,855.52

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Solution

The fourth proportional to 372,294,821.28, 557,392,321.04 and 197,020,855.52 is: 294,975,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,294,821.28 : 557,392,321.04 = 197,020,855.52 : x
  2. Step 2: Convert to fraction form
    372,294,821.28/557,392,321.04 = 197,020,855.52/x
  3. Step 3: Cross multiply
    372,294,821.28x = 557,392,321.04 × 197,020,855.52
  4. Step 4: Simplify right side
    372,294,821.28x = 109,817,911,951,579,296
  5. Step 5: Solve for x
    x = 109,817,911,951,579,296/372,294,821.28
  6. Step 6: Final answer
    x = 294,975,663.57

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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.