Home / 2,985,456,229.88-4,121,421,144.80-1,856,789,805.68

Finding the Fourth Proportional to 2,985,456,229.88, 4,121,421,144.80 and 1,856,789,805.68

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Solution

The fourth proportional to 2,985,456,229.88, 4,121,421,144.80 and 1,856,789,805.68 is: 2,563,297,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,456,229.88 : 4,121,421,144.80 = 1,856,789,805.68 : x
  2. Step 2: Convert to fraction form
    2,985,456,229.88/4,121,421,144.80 = 1,856,789,805.68/x
  3. Step 3: Cross multiply
    2,985,456,229.88x = 4,121,421,144.80 × 1,856,789,805.68
  4. Step 4: Simplify right side
    2,985,456,229.88x = 7,652,612,766,578,635,776
  5. Step 5: Solve for x
    x = 7,652,612,766,578,635,776/2,985,456,229.88
  6. Step 6: Final answer
    x = 2,563,297,592.50

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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.