Home / 379,393,299.18-523,402,432.54-253,985,899.41

Finding the Fourth Proportional to 379,393,299.18, 523,402,432.54 and 253,985,899.41

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Solution

The fourth proportional to 379,393,299.18, 523,402,432.54 and 253,985,899.41 is: 350,393,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,393,299.18 : 523,402,432.54 = 253,985,899.41 : x
  2. Step 2: Convert to fraction form
    379,393,299.18/523,402,432.54 = 253,985,899.41/x
  3. Step 3: Cross multiply
    379,393,299.18x = 523,402,432.54 × 253,985,899.41
  4. Step 4: Simplify right side
    379,393,299.18x = 132,936,837,582,053,760
  5. Step 5: Solve for x
    x = 132,936,837,582,053,760/379,393,299.18
  6. Step 6: Final answer
    x = 350,393,214.30

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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.