Home / 661,238,288.46-991,859,472.30-163,248,860.40

Finding the Fourth Proportional to 661,238,288.46, 991,859,472.30 and 163,248,860.40

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Solution

The fourth proportional to 661,238,288.46, 991,859,472.30 and 163,248,860.40 is: 244,873,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,238,288.46 : 991,859,472.30 = 163,248,860.40 : x
  2. Step 2: Convert to fraction form
    661,238,288.46/991,859,472.30 = 163,248,860.40/x
  3. Step 3: Cross multiply
    661,238,288.46x = 991,859,472.30 × 163,248,860.40
  4. Step 4: Simplify right side
    661,238,288.46x = 161,919,928,529,920,352
  5. Step 5: Solve for x
    x = 161,919,928,529,920,352/661,238,288.46
  6. Step 6: Final answer
    x = 244,873,794.15

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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.