Home / 12,109,286,409.40-18,163,929,614.10-8,844,112,905.40

Finding the Fourth Proportional to 12,109,286,409.40, 18,163,929,614.10 and 8,844,112,905.40

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Solution

The fourth proportional to 12,109,286,409.40, 18,163,929,614.10 and 8,844,112,905.40 is: 13,266,169,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,286,409.40 : 18,163,929,614.10 = 8,844,112,905.40 : x
  2. Step 2: Convert to fraction form
    12,109,286,409.40/18,163,929,614.10 = 8,844,112,905.40/x
  3. Step 3: Cross multiply
    12,109,286,409.40x = 18,163,929,614.10 × 8,844,112,905.40
  4. Step 4: Simplify right side
    12,109,286,409.40x = 160,643,844,312,839,028,736
  5. Step 5: Solve for x
    x = 160,643,844,312,839,028,736/12,109,286,409.40
  6. Step 6: Final answer
    x = 13,266,169,358.10

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Double scale
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Similar ratio
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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.