Home / 358,992,803.60-538,489,205.40-222,831,933.20

Finding the Fourth Proportional to 358,992,803.60, 538,489,205.40 and 222,831,933.20

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Solution

The fourth proportional to 358,992,803.60, 538,489,205.40 and 222,831,933.20 is: 334,247,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,992,803.60 : 538,489,205.40 = 222,831,933.20 : x
  2. Step 2: Convert to fraction form
    358,992,803.60/538,489,205.40 = 222,831,933.20/x
  3. Step 3: Cross multiply
    358,992,803.60x = 538,489,205.40 × 222,831,933.20
  4. Step 4: Simplify right side
    358,992,803.60x = 119,992,590,646,613,872
  5. Step 5: Solve for x
    x = 119,992,590,646,613,872/358,992,803.60
  6. Step 6: Final answer
    x = 334,247,899.80

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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.