Home / 402,013,418.66-554,795,196.71-223,396,640.04

Finding the Fourth Proportional to 402,013,418.66, 554,795,196.71 and 223,396,640.04

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Solution

The fourth proportional to 402,013,418.66, 554,795,196.71 and 223,396,640.04 is: 308,296,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,013,418.66 : 554,795,196.71 = 223,396,640.04 : x
  2. Step 2: Convert to fraction form
    402,013,418.66/554,795,196.71 = 223,396,640.04/x
  3. Step 3: Cross multiply
    402,013,418.66x = 554,795,196.71 × 223,396,640.04
  4. Step 4: Simplify right side
    402,013,418.66x = 123,939,382,855,894,096
  5. Step 5: Solve for x
    x = 123,939,382,855,894,096/402,013,418.66
  6. Step 6: Final answer
    x = 308,296,631.66

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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.