Home / 400,821,399,831.61-553,135,718,481.98-236,030,108,623.93

Finding the Fourth Proportional to 400,821,399,831.61, 553,135,718,481.98 and 236,030,108,623.93

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Solution

The fourth proportional to 400,821,399,831.61, 553,135,718,481.98 and 236,030,108,623.93 is: 325,722,837,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,821,399,831.61 : 553,135,718,481.98 = 236,030,108,623.93 : x
  2. Step 2: Convert to fraction form
    400,821,399,831.61/553,135,718,481.98 = 236,030,108,623.93/x
  3. Step 3: Cross multiply
    400,821,399,831.61x = 553,135,718,481.98 × 236,030,108,623.93
  4. Step 4: Simplify right side
    400,821,399,831.61x = 130,556,683,717,077,303,820,288
  5. Step 5: Solve for x
    x = 130,556,683,717,077,303,820,288/400,821,399,831.61
  6. Step 6: Final answer
    x = 325,722,837,582.84

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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.