Home / 965,981,315.40-1,449,203,149.80-310,993,568.93

Finding the Fourth Proportional to 965,981,315.40, 1,449,203,149.80 and 310,993,568.93

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Solution

The fourth proportional to 965,981,315.40, 1,449,203,149.80 and 310,993,568.93 is: 466,564,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,981,315.40 : 1,449,203,149.80 = 310,993,568.93 : x
  2. Step 2: Convert to fraction form
    965,981,315.40/1,449,203,149.80 = 310,993,568.93/x
  3. Step 3: Cross multiply
    965,981,315.40x = 1,449,203,149.80 × 310,993,568.93
  4. Step 4: Simplify right side
    965,981,315.40x = 450,692,859,653,653,376
  5. Step 5: Solve for x
    x = 450,692,859,653,653,376/965,981,315.40
  6. Step 6: Final answer
    x = 466,564,779.74

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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.