Home / 392,472,853.61-541,588,134.33-216,250,987.41

Finding the Fourth Proportional to 392,472,853.61, 541,588,134.33 and 216,250,987.41

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Solution

The fourth proportional to 392,472,853.61, 541,588,134.33 and 216,250,987.41 is: 298,412,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,472,853.61 : 541,588,134.33 = 216,250,987.41 : x
  2. Step 2: Convert to fraction form
    392,472,853.61/541,588,134.33 = 216,250,987.41/x
  3. Step 3: Cross multiply
    392,472,853.61x = 541,588,134.33 × 216,250,987.41
  4. Step 4: Simplify right side
    392,472,853.61x = 117,118,968,818,402,224
  5. Step 5: Solve for x
    x = 117,118,968,818,402,224/392,472,853.61
  6. Step 6: Final answer
    x = 298,412,916.31

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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.