Home / 409,859,933.09-614,789,422.11-133,510,701.51

Finding the Fourth Proportional to 409,859,933.09, 614,789,422.11 and 133,510,701.51

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Solution

The fourth proportional to 409,859,933.09, 614,789,422.11 and 133,510,701.51 is: 200,265,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,859,933.09 : 614,789,422.11 = 133,510,701.51 : x
  2. Step 2: Convert to fraction form
    409,859,933.09/614,789,422.11 = 133,510,701.51/x
  3. Step 3: Cross multiply
    409,859,933.09x = 614,789,422.11 × 133,510,701.51
  4. Step 4: Simplify right side
    409,859,933.09x = 82,080,967,026,833,616
  5. Step 5: Solve for x
    x = 82,080,967,026,833,616/409,859,933.09
  6. Step 6: Final answer
    x = 200,265,896.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.