Home / 1,120,054,817.40-1,678,647,335.40-996,654,217.20

Finding the Fourth Proportional to 1,120,054,817.40, 1,678,647,335.40 and 996,654,217.20

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Solution

The fourth proportional to 1,120,054,817.40, 1,678,647,335.40 and 996,654,217.20 is: 1,493,704,522.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,054,817.40 : 1,678,647,335.40 = 996,654,217.20 : x
  2. Step 2: Convert to fraction form
    1,120,054,817.40/1,678,647,335.40 = 996,654,217.20/x
  3. Step 3: Cross multiply
    1,120,054,817.40x = 1,678,647,335.40 × 996,654,217.20
  4. Step 4: Simplify right side
    1,120,054,817.40x = 1,673,030,946,017,953,024
  5. Step 5: Solve for x
    x = 1,673,030,946,017,953,024/1,120,054,817.40
  6. Step 6: Final answer
    x = 1,493,704,522.34

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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.