Home / 387,259,422.24-534,417,994.32-213,419,166.24

Finding the Fourth Proportional to 387,259,422.24, 534,417,994.32 and 213,419,166.24

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Solution

The fourth proportional to 387,259,422.24, 534,417,994.32 and 213,419,166.24 is: 294,518,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,259,422.24 : 534,417,994.32 = 213,419,166.24 : x
  2. Step 2: Convert to fraction form
    387,259,422.24/534,417,994.32 = 213,419,166.24/x
  3. Step 3: Cross multiply
    387,259,422.24x = 534,417,994.32 × 213,419,166.24
  4. Step 4: Simplify right side
    387,259,422.24x = 114,055,042,771,427,456
  5. Step 5: Solve for x
    x = 114,055,042,771,427,456/387,259,422.24
  6. Step 6: Final answer
    x = 294,518,444.80

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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.