Home / 538,388,212.44-742,975,754.96-290,869,565.88

Finding the Fourth Proportional to 538,388,212.44, 742,975,754.96 and 290,869,565.88

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Solution

The fourth proportional to 538,388,212.44, 742,975,754.96 and 290,869,565.88 is: 401,400,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,388,212.44 : 742,975,754.96 = 290,869,565.88 : x
  2. Step 2: Convert to fraction form
    538,388,212.44/742,975,754.96 = 290,869,565.88/x
  3. Step 3: Cross multiply
    538,388,212.44x = 742,975,754.96 × 290,869,565.88
  4. Step 4: Simplify right side
    538,388,212.44x = 216,109,035,304,580,480
  5. Step 5: Solve for x
    x = 216,109,035,304,580,480/538,388,212.44
  6. Step 6: Final answer
    x = 401,400,012.69

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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.