Home / 313,045,813,426.60-469,568,720,139.90-145,297,524,658.60

Finding the Fourth Proportional to 313,045,813,426.60, 469,568,720,139.90 and 145,297,524,658.60

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Solution

The fourth proportional to 313,045,813,426.60, 469,568,720,139.90 and 145,297,524,658.60 is: 217,946,286,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,045,813,426.60 : 469,568,720,139.90 = 145,297,524,658.60 : x
  2. Step 2: Convert to fraction form
    313,045,813,426.60/469,568,720,139.90 = 145,297,524,658.60/x
  3. Step 3: Cross multiply
    313,045,813,426.60x = 469,568,720,139.90 × 145,297,524,658.60
  4. Step 4: Simplify right side
    313,045,813,426.60x = 68,227,172,693,434,372,718,592
  5. Step 5: Solve for x
    x = 68,227,172,693,434,372,718,592/313,045,813,426.60
  6. Step 6: Final answer
    x = 217,946,286,987.90

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1.5x scale

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.