Home / 18,392,877,872.40-27,589,316,808.60-10,653,207,344.40

Finding the Fourth Proportional to 18,392,877,872.40, 27,589,316,808.60 and 10,653,207,344.40

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Solution

The fourth proportional to 18,392,877,872.40, 27,589,316,808.60 and 10,653,207,344.40 is: 15,979,811,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392,877,872.40 : 27,589,316,808.60 = 10,653,207,344.40 : x
  2. Step 2: Convert to fraction form
    18,392,877,872.40/27,589,316,808.60 = 10,653,207,344.40/x
  3. Step 3: Cross multiply
    18,392,877,872.40x = 27,589,316,808.60 × 10,653,207,344.40
  4. Step 4: Simplify right side
    18,392,877,872.40x = 293,914,712,452,355,850,240
  5. Step 5: Solve for x
    x = 293,914,712,452,355,850,240/18,392,877,872.40
  6. Step 6: Final answer
    x = 15,979,811,016.60

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Double scale
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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.