Home / 339,659,266,681.47-509,485,542,497.70-155,613,407,481.58

Finding the Fourth Proportional to 339,659,266,681.47, 509,485,542,497.70 and 155,613,407,481.58

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Solution

The fourth proportional to 339,659,266,681.47, 509,485,542,497.70 and 155,613,407,481.58 is: 233,418,572,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,659,266,681.47 : 509,485,542,497.70 = 155,613,407,481.58 : x
  2. Step 2: Convert to fraction form
    339,659,266,681.47/509,485,542,497.70 = 155,613,407,481.58/x
  3. Step 3: Cross multiply
    339,659,266,681.47x = 509,485,542,497.70 × 155,613,407,481.58
  4. Step 4: Simplify right side
    339,659,266,681.47x = 79,282,781,330,668,422,955,008
  5. Step 5: Solve for x
    x = 79,282,781,330,668,422,955,008/339,659,266,681.47
  6. Step 6: Final answer
    x = 233,418,572,987.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.