Home / 379,393,298.18-523,402,431.17-253,985,898.41

Finding the Fourth Proportional to 379,393,298.18, 523,402,431.17 and 253,985,898.41

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Solution

The fourth proportional to 379,393,298.18, 523,402,431.17 and 253,985,898.41 is: 350,393,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,393,298.18 : 523,402,431.17 = 253,985,898.41 : x
  2. Step 2: Convert to fraction form
    379,393,298.18/523,402,431.17 = 253,985,898.41/x
  3. Step 3: Cross multiply
    379,393,298.18x = 523,402,431.17 × 253,985,898.41
  4. Step 4: Simplify right side
    379,393,298.18x = 132,936,836,706,803,696
  5. Step 5: Solve for x
    x = 132,936,836,706,803,696/379,393,298.18
  6. Step 6: Final answer
    x = 350,393,212.92

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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.