Home / 315,872,563,791.27-473,792,158,419.46-103,608,736,129.83

Finding the Fourth Proportional to 315,872,563,791.27, 473,792,158,419.46 and 103,608,736,129.83

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Solution

The fourth proportional to 315,872,563,791.27, 473,792,158,419.46 and 103,608,736,129.83 is: 155,407,630,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,872,563,791.27 : 473,792,158,419.46 = 103,608,736,129.83 : x
  2. Step 2: Convert to fraction form
    315,872,563,791.27/473,792,158,419.46 = 103,608,736,129.83/x
  3. Step 3: Cross multiply
    315,872,563,791.27x = 473,792,158,419.46 × 103,608,736,129.83
  4. Step 4: Simplify right side
    315,872,563,791.27x = 49,089,006,722,064,448,487,424
  5. Step 5: Solve for x
    x = 49,089,006,722,064,448,487,424/315,872,563,791.27
  6. Step 6: Final answer
    x = 155,407,630,637.09

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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.