Home / 538,272,973.96-742,817,002.62-290,754,329.56

Finding the Fourth Proportional to 538,272,973.96, 742,817,002.62 and 290,754,329.56

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Solution

The fourth proportional to 538,272,973.96, 742,817,002.62 and 290,754,329.56 is: 401,241,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,272,973.96 : 742,817,002.62 = 290,754,329.56 : x
  2. Step 2: Convert to fraction form
    538,272,973.96/742,817,002.62 = 290,754,329.56/x
  3. Step 3: Cross multiply
    538,272,973.96x = 742,817,002.62 × 290,754,329.56
  4. Step 4: Simplify right side
    538,272,973.96x = 215,977,259,582,546,880
  5. Step 5: Solve for x
    x = 215,977,259,582,546,880/538,272,973.96
  6. Step 6: Final answer
    x = 401,241,136.06

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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.