Home / 422,891,387.54-634,959,776.69-236,510,493.24

Finding the Fourth Proportional to 422,891,387.54, 634,959,776.69 and 236,510,493.24

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Solution

The fourth proportional to 422,891,387.54, 634,959,776.69 and 236,510,493.24 is: 355,113,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,891,387.54 : 634,959,776.69 = 236,510,493.24 : x
  2. Step 2: Convert to fraction form
    422,891,387.54/634,959,776.69 = 236,510,493.24/x
  3. Step 3: Cross multiply
    422,891,387.54x = 634,959,776.69 × 236,510,493.24
  4. Step 4: Simplify right side
    422,891,387.54x = 150,174,649,973,103,424
  5. Step 5: Solve for x
    x = 150,174,649,973,103,424/422,891,387.54
  6. Step 6: Final answer
    x = 355,113,994.75

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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.