Home / 422,891,386.78-634,959,775.57-236,510,492.49

Finding the Fourth Proportional to 422,891,386.78, 634,959,775.57 and 236,510,492.49

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Solution

The fourth proportional to 422,891,386.78, 634,959,775.57 and 236,510,492.49 is: 355,113,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,891,386.78 : 634,959,775.57 = 236,510,492.49 : x
  2. Step 2: Convert to fraction form
    422,891,386.78/634,959,775.57 = 236,510,492.49/x
  3. Step 3: Cross multiply
    422,891,386.78x = 634,959,775.57 × 236,510,492.49
  4. Step 4: Simplify right side
    422,891,386.78x = 150,174,649,228,872,864
  5. Step 5: Solve for x
    x = 150,174,649,228,872,864/422,891,386.78
  6. Step 6: Final answer
    x = 355,113,993.62

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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.