Home / 400,821,399,499.60-553,135,718,023.30-236,030,108,291.92

Finding the Fourth Proportional to 400,821,399,499.60, 553,135,718,023.30 and 236,030,108,291.92

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Solution

The fourth proportional to 400,821,399,499.60, 553,135,718,023.30 and 236,030,108,291.92 is: 325,722,837,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,821,399,499.60 : 553,135,718,023.30 = 236,030,108,291.92 : x
  2. Step 2: Convert to fraction form
    400,821,399,499.60/553,135,718,023.30 = 236,030,108,291.92/x
  3. Step 3: Cross multiply
    400,821,399,499.60x = 553,135,718,023.30 × 236,030,108,291.92
  4. Step 4: Simplify right side
    400,821,399,499.60x = 130,556,683,425,168,442,261,504
  5. Step 5: Solve for x
    x = 130,556,683,425,168,442,261,504/400,821,399,499.60
  6. Step 6: Final answer
    x = 325,722,837,124.37

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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.