Home / 359,775,309.09-538,105,041.87-211,870,306.95

Finding the Fourth Proportional to 359,775,309.09, 538,105,041.87 and 211,870,306.95

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Solution

The fourth proportional to 359,775,309.09, 538,105,041.87 and 211,870,306.95 is: 316,888,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,775,309.09 : 538,105,041.87 = 211,870,306.95 : x
  2. Step 2: Convert to fraction form
    359,775,309.09/538,105,041.87 = 211,870,306.95/x
  3. Step 3: Cross multiply
    359,775,309.09x = 538,105,041.87 × 211,870,306.95
  4. Step 4: Simplify right side
    359,775,309.09x = 114,008,480,392,339,504
  5. Step 5: Solve for x
    x = 114,008,480,392,339,504/359,775,309.09
  6. Step 6: Final answer
    x = 316,888,006.24

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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.