Home / 18,395,212,934.40-27,592,819,401.60-5,309,436,652.80

Finding the Fourth Proportional to 18,395,212,934.40, 27,592,819,401.60 and 5,309,436,652.80

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Solution

The fourth proportional to 18,395,212,934.40, 27,592,819,401.60 and 5,309,436,652.80 is: 7,964,154,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395,212,934.40 : 27,592,819,401.60 = 5,309,436,652.80 : x
  2. Step 2: Convert to fraction form
    18,395,212,934.40/27,592,819,401.60 = 5,309,436,652.80/x
  3. Step 3: Cross multiply
    18,395,212,934.40x = 27,592,819,401.60 × 5,309,436,652.80
  4. Step 4: Simplify right side
    18,395,212,934.40x = 146,502,326,684,946,006,016
  5. Step 5: Solve for x
    x = 146,502,326,684,946,006,016/18,395,212,934.40
  6. Step 6: Final answer
    x = 7,964,154,979.20

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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.