Home / 400,821,399,830.60-553,135,718,480.64-236,030,108,622.92

Finding the Fourth Proportional to 400,821,399,830.60, 553,135,718,480.64 and 236,030,108,622.92

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Solution

The fourth proportional to 400,821,399,830.60, 553,135,718,480.64 and 236,030,108,622.92 is: 325,722,837,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,821,399,830.60 : 553,135,718,480.64 = 236,030,108,622.92 : x
  2. Step 2: Convert to fraction form
    400,821,399,830.60/553,135,718,480.64 = 236,030,108,622.92/x
  3. Step 3: Cross multiply
    400,821,399,830.60x = 553,135,718,480.64 × 236,030,108,622.92
  4. Step 4: Simplify right side
    400,821,399,830.60x = 130,556,683,716,202,372,005,888
  5. Step 5: Solve for x
    x = 130,556,683,716,202,372,005,888/400,821,399,830.60
  6. Step 6: Final answer
    x = 325,722,837,581.48

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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.