Home / 819,074,387.40-1,228,611,581.10-301,397,709.30

Finding the Fourth Proportional to 819,074,387.40, 1,228,611,581.10 and 301,397,709.30

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Solution

The fourth proportional to 819,074,387.40, 1,228,611,581.10 and 301,397,709.30 is: 452,096,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,074,387.40 : 1,228,611,581.10 = 301,397,709.30 : x
  2. Step 2: Convert to fraction form
    819,074,387.40/1,228,611,581.10 = 301,397,709.30/x
  3. Step 3: Cross multiply
    819,074,387.40x = 1,228,611,581.10 × 301,397,709.30
  4. Step 4: Simplify right side
    819,074,387.40x = 370,300,716,162,991,168
  5. Step 5: Solve for x
    x = 370,300,716,162,991,168/819,074,387.40
  6. Step 6: Final answer
    x = 452,096,563.95

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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.