Home / 18,197,890,911.40-27,296,836,367.10-7,156,767,173.80

Finding the Fourth Proportional to 18,197,890,911.40, 27,296,836,367.10 and 7,156,767,173.80

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Solution

The fourth proportional to 18,197,890,911.40, 27,296,836,367.10 and 7,156,767,173.80 is: 10,735,150,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197,890,911.40 : 27,296,836,367.10 = 7,156,767,173.80 : x
  2. Step 2: Convert to fraction form
    18,197,890,911.40/27,296,836,367.10 = 7,156,767,173.80/x
  3. Step 3: Cross multiply
    18,197,890,911.40x = 27,296,836,367.10 × 7,156,767,173.80
  4. Step 4: Simplify right side
    18,197,890,911.40x = 195,357,102,460,651,307,008
  5. Step 5: Solve for x
    x = 195,357,102,460,651,307,008/18,197,890,911.40
  6. Step 6: Final answer
    x = 10,735,150,760.70

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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.