Home / 392,927,566.87-588,165,216.27-289,413,654.96

Finding the Fourth Proportional to 392,927,566.87, 588,165,216.27 and 289,413,654.96

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Solution

The fourth proportional to 392,927,566.87, 588,165,216.27 and 289,413,654.96 is: 433,217,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,927,566.87 : 588,165,216.27 = 289,413,654.96 : x
  2. Step 2: Convert to fraction form
    392,927,566.87/588,165,216.27 = 289,413,654.96/x
  3. Step 3: Cross multiply
    392,927,566.87x = 588,165,216.27 × 289,413,654.96
  4. Step 4: Simplify right side
    392,927,566.87x = 170,223,044,960,501,248
  5. Step 5: Solve for x
    x = 170,223,044,960,501,248/392,927,566.87
  6. Step 6: Final answer
    x = 433,217,364.51

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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.