Home / 387,367,233.01-534,562,430.38-211,151,361.92

Finding the Fourth Proportional to 387,367,233.01, 534,562,430.38 and 211,151,361.92

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Solution

The fourth proportional to 387,367,233.01, 534,562,430.38 and 211,151,361.92 is: 291,386,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,367,233.01 : 534,562,430.38 = 211,151,361.92 : x
  2. Step 2: Convert to fraction form
    387,367,233.01/534,562,430.38 = 211,151,361.92/x
  3. Step 3: Cross multiply
    387,367,233.01x = 534,562,430.38 × 211,151,361.92
  4. Step 4: Simplify right side
    387,367,233.01x = 112,873,585,202,801,488
  5. Step 5: Solve for x
    x = 112,873,585,202,801,488/387,367,233.01
  6. Step 6: Final answer
    x = 291,386,507.65

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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.