Home / 315,872,563,739.66-473,792,158,342.26-103,608,736,078.22

Finding the Fourth Proportional to 315,872,563,739.66, 473,792,158,342.26 and 103,608,736,078.22

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Solution

The fourth proportional to 315,872,563,739.66, 473,792,158,342.26 and 103,608,736,078.22 is: 155,407,630,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,872,563,739.66 : 473,792,158,342.26 = 103,608,736,078.22 : x
  2. Step 2: Convert to fraction form
    315,872,563,739.66/473,792,158,342.26 = 103,608,736,078.22/x
  3. Step 3: Cross multiply
    315,872,563,739.66x = 473,792,158,342.26 × 103,608,736,078.22
  4. Step 4: Simplify right side
    315,872,563,739.66x = 49,089,006,689,613,437,206,528
  5. Step 5: Solve for x
    x = 49,089,006,689,613,437,206,528/315,872,563,739.66
  6. Step 6: Final answer
    x = 155,407,630,559.75

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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.