Home / 359,775,308.09-538,105,040.38-211,870,305.95

Finding the Fourth Proportional to 359,775,308.09, 538,105,040.38 and 211,870,305.95

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Solution

The fourth proportional to 359,775,308.09, 538,105,040.38 and 211,870,305.95 is: 316,888,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,775,308.09 : 538,105,040.38 = 211,870,305.95 : x
  2. Step 2: Convert to fraction form
    359,775,308.09/538,105,040.38 = 211,870,305.95/x
  3. Step 3: Cross multiply
    359,775,308.09x = 538,105,040.38 × 211,870,305.95
  4. Step 4: Simplify right side
    359,775,308.09x = 114,008,479,537,259,376
  5. Step 5: Solve for x
    x = 114,008,479,537,259,376/359,775,308.09
  6. Step 6: Final answer
    x = 316,888,004.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.