Home / 285,090,464,380.16-393,458,568,707.22-169,347,681,300.80

Finding the Fourth Proportional to 285,090,464,380.16, 393,458,568,707.22 and 169,347,681,300.80

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Solution

The fourth proportional to 285,090,464,380.16, 393,458,568,707.22 and 169,347,681,300.80 is: 233,719,835,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,090,464,380.16 : 393,458,568,707.22 = 169,347,681,300.80 : x
  2. Step 2: Convert to fraction form
    285,090,464,380.16/393,458,568,707.22 = 169,347,681,300.80/x
  3. Step 3: Cross multiply
    285,090,464,380.16x = 393,458,568,707.22 × 169,347,681,300.80
  4. Step 4: Simplify right side
    285,090,464,380.16x = 66,631,296,298,499,199,467,520
  5. Step 5: Solve for x
    x = 66,631,296,298,499,199,467,520/285,090,464,380.16
  6. Step 6: Final answer
    x = 233,719,835,012.26

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1.5x scale

Why These Related Problems?

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