Home / 380,174,136.56-524,877,260.52-261,301,413.68

Finding the Fourth Proportional to 380,174,136.56, 524,877,260.52 and 261,301,413.68

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Solution

The fourth proportional to 380,174,136.56, 524,877,260.52 and 261,301,413.68 is: 360,758,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,174,136.56 : 524,877,260.52 = 261,301,413.68 : x
  2. Step 2: Convert to fraction form
    380,174,136.56/524,877,260.52 = 261,301,413.68/x
  3. Step 3: Cross multiply
    380,174,136.56x = 524,877,260.52 × 261,301,413.68
  4. Step 4: Simplify right side
    380,174,136.56x = 137,151,170,182,361,648
  5. Step 5: Solve for x
    x = 137,151,170,182,361,648/380,174,136.56
  6. Step 6: Final answer
    x = 360,758,812.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.