Home / 400,821,399,830.61-553,135,718,480.62-236,030,108,622.93

Finding the Fourth Proportional to 400,821,399,830.61, 553,135,718,480.62 and 236,030,108,622.93

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Solution

The fourth proportional to 400,821,399,830.61, 553,135,718,480.62 and 236,030,108,622.93 is: 325,722,837,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,821,399,830.61 : 553,135,718,480.62 = 236,030,108,622.93 : x
  2. Step 2: Convert to fraction form
    400,821,399,830.61/553,135,718,480.62 = 236,030,108,622.93/x
  3. Step 3: Cross multiply
    400,821,399,830.61x = 553,135,718,480.62 × 236,030,108,622.93
  4. Step 4: Simplify right side
    400,821,399,830.61x = 130,556,683,716,203,160,535,040
  5. Step 5: Solve for x
    x = 130,556,683,716,203,160,535,040/400,821,399,830.61
  6. Step 6: Final answer
    x = 325,722,837,581.47

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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.