Home / 392,472,866.43-541,588,152.02-216,251,000.24

Finding the Fourth Proportional to 392,472,866.43, 541,588,152.02 and 216,251,000.24

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Solution

The fourth proportional to 392,472,866.43, 541,588,152.02 and 216,251,000.24 is: 298,412,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,472,866.43 : 541,588,152.02 = 216,251,000.24 : x
  2. Step 2: Convert to fraction form
    392,472,866.43/541,588,152.02 = 216,251,000.24/x
  3. Step 3: Cross multiply
    392,472,866.43x = 541,588,152.02 × 216,251,000.24
  4. Step 4: Simplify right side
    392,472,866.43x = 117,118,979,588,668,992
  5. Step 5: Solve for x
    x = 117,118,979,588,668,992/392,472,866.43
  6. Step 6: Final answer
    x = 298,412,934.00

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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.