Home / 2,912,647,008.60-4,369,537,383.30-842,436,307.80

Finding the Fourth Proportional to 2,912,647,008.60, 4,369,537,383.30 and 842,436,307.80

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Solution

The fourth proportional to 2,912,647,008.60, 4,369,537,383.30 and 842,436,307.80 is: 1,263,818,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,647,008.60 : 4,369,537,383.30 = 842,436,307.80 : x
  2. Step 2: Convert to fraction form
    2,912,647,008.60/4,369,537,383.30 = 842,436,307.80/x
  3. Step 3: Cross multiply
    2,912,647,008.60x = 4,369,537,383.30 × 842,436,307.80
  4. Step 4: Simplify right side
    2,912,647,008.60x = 3,681,056,939,981,325,312
  5. Step 5: Solve for x
    x = 3,681,056,939,981,325,312/2,912,647,008.60
  6. Step 6: Final answer
    x = 1,263,818,419.85

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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.