Home / 1,109,005,575.78-1,530,428,056.02-607,246,158.41

Finding the Fourth Proportional to 1,109,005,575.78, 1,530,428,056.02 and 607,246,158.41

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Solution

The fourth proportional to 1,109,005,575.78, 1,530,428,056.02 and 607,246,158.41 is: 837,999,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,005,575.78 : 1,530,428,056.02 = 607,246,158.41 : x
  2. Step 2: Convert to fraction form
    1,109,005,575.78/1,530,428,056.02 = 607,246,158.41/x
  3. Step 3: Cross multiply
    1,109,005,575.78x = 1,530,428,056.02 × 607,246,158.41
  4. Step 4: Simplify right side
    1,109,005,575.78x = 929,346,557,730,340,864
  5. Step 5: Solve for x
    x = 929,346,557,730,340,864/1,109,005,575.78
  6. Step 6: Final answer
    x = 837,999,896.51

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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.