Home / 438,430,682,160.67-657,648,928,918.38-169,849,491,099.07

Finding the Fourth Proportional to 438,430,682,160.67, 657,648,928,918.38 and 169,849,491,099.07

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Solution

The fourth proportional to 438,430,682,160.67, 657,648,928,918.38 and 169,849,491,099.07 is: 254,775,362,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,430,682,160.67 : 657,648,928,918.38 = 169,849,491,099.07 : x
  2. Step 2: Convert to fraction form
    438,430,682,160.67/657,648,928,918.38 = 169,849,491,099.07/x
  3. Step 3: Cross multiply
    438,430,682,160.67x = 657,648,928,918.38 × 169,849,491,099.07
  4. Step 4: Simplify right side
    438,430,682,160.67x = 111,701,335,898,635,303,387,136
  5. Step 5: Solve for x
    x = 111,701,335,898,635,303,387,136/438,430,682,160.67
  6. Step 6: Final answer
    x = 254,775,362,317.60

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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.