Home / 641,562,764.58-885,204,867.02-363,104,279.91

Finding the Fourth Proportional to 641,562,764.58, 885,204,867.02 and 363,104,279.91

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Solution

The fourth proportional to 641,562,764.58, 885,204,867.02 and 363,104,279.91 is: 500,998,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,562,764.58 : 885,204,867.02 = 363,104,279.91 : x
  2. Step 2: Convert to fraction form
    641,562,764.58/885,204,867.02 = 363,104,279.91/x
  3. Step 3: Cross multiply
    641,562,764.58x = 885,204,867.02 × 363,104,279.91
  4. Step 4: Simplify right side
    641,562,764.58x = 321,421,675,810,308,928
  5. Step 5: Solve for x
    x = 321,421,675,810,308,928/641,562,764.58
  6. Step 6: Final answer
    x = 500,998,021.64

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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.