Home / 538,278,151.38-742,824,174.42-290,759,614.98

Finding the Fourth Proportional to 538,278,151.38, 742,824,174.42 and 290,759,614.98

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Solution

The fourth proportional to 538,278,151.38, 742,824,174.42 and 290,759,614.98 is: 401,248,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,278,151.38 : 742,824,174.42 = 290,759,614.98 : x
  2. Step 2: Convert to fraction form
    538,278,151.38/742,824,174.42 = 290,759,614.98/x
  3. Step 3: Cross multiply
    538,278,151.38x = 742,824,174.42 × 290,759,614.98
  4. Step 4: Simplify right side
    538,278,151.38x = 215,983,270,952,195,552
  5. Step 5: Solve for x
    x = 215,983,270,952,195,552/538,278,151.38
  6. Step 6: Final answer
    x = 401,248,444.50

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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.