Home / 1,516,285,912.56-2,274,567,670.44-425,761,632.24

Finding the Fourth Proportional to 1,516,285,912.56, 2,274,567,670.44 and 425,761,632.24

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Solution

The fourth proportional to 1,516,285,912.56, 2,274,567,670.44 and 425,761,632.24 is: 638,681,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,285,912.56 : 2,274,567,670.44 = 425,761,632.24 : x
  2. Step 2: Convert to fraction form
    1,516,285,912.56/2,274,567,670.44 = 425,761,632.24/x
  3. Step 3: Cross multiply
    1,516,285,912.56x = 2,274,567,670.44 × 425,761,632.24
  4. Step 4: Simplify right side
    1,516,285,912.56x = 968,423,644,006,868,864
  5. Step 5: Solve for x
    x = 968,423,644,006,868,864/1,516,285,912.56
  6. Step 6: Final answer
    x = 638,681,422.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.