Home / 368,412,304.70-508,453,562.67-209,681,022.95

Finding the Fourth Proportional to 368,412,304.70, 508,453,562.67 and 209,681,022.95

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Solution

The fourth proportional to 368,412,304.70, 508,453,562.67 and 209,681,022.95 is: 289,385,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,412,304.70 : 508,453,562.67 = 209,681,022.95 : x
  2. Step 2: Convert to fraction form
    368,412,304.70/508,453,562.67 = 209,681,022.95/x
  3. Step 3: Cross multiply
    368,412,304.70x = 508,453,562.67 × 209,681,022.95
  4. Step 4: Simplify right side
    368,412,304.70x = 106,613,063,141,795,648
  5. Step 5: Solve for x
    x = 106,613,063,141,795,648/368,412,304.70
  6. Step 6: Final answer
    x = 289,385,185.51

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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.