Home / 819,074,271.40-1,228,611,407.10-301,397,593.30

Finding the Fourth Proportional to 819,074,271.40, 1,228,611,407.10 and 301,397,593.30

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Solution

The fourth proportional to 819,074,271.40, 1,228,611,407.10 and 301,397,593.30 is: 452,096,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,074,271.40 : 1,228,611,407.10 = 301,397,593.30 : x
  2. Step 2: Convert to fraction form
    819,074,271.40/1,228,611,407.10 = 301,397,593.30/x
  3. Step 3: Cross multiply
    819,074,271.40x = 1,228,611,407.10 × 301,397,593.30
  4. Step 4: Simplify right side
    819,074,271.40x = 370,300,521,200,866,496
  5. Step 5: Solve for x
    x = 370,300,521,200,866,496/819,074,271.40
  6. Step 6: Final answer
    x = 452,096,389.95

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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.