Home / 474,795,649.74-655,221,843.72-263,106,016.38

Finding the Fourth Proportional to 474,795,649.74, 655,221,843.72 and 263,106,016.38

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Solution

The fourth proportional to 474,795,649.74, 655,221,843.72 and 263,106,016.38 is: 363,088,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,795,649.74 : 655,221,843.72 = 263,106,016.38 : x
  2. Step 2: Convert to fraction form
    474,795,649.74/655,221,843.72 = 263,106,016.38/x
  3. Step 3: Cross multiply
    474,795,649.74x = 655,221,843.72 × 263,106,016.38
  4. Step 4: Simplify right side
    474,795,649.74x = 172,392,809,146,328,128
  5. Step 5: Solve for x
    x = 172,392,809,146,328,128/474,795,649.74
  6. Step 6: Final answer
    x = 363,088,434.45

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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.