Home / 18,443,145,942.40-27,664,718,913.60-4,656,857,814.40

Finding the Fourth Proportional to 18,443,145,942.40, 27,664,718,913.60 and 4,656,857,814.40

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Solution

The fourth proportional to 18,443,145,942.40, 27,664,718,913.60 and 4,656,857,814.40 is: 6,985,286,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,145,942.40 : 27,664,718,913.60 = 4,656,857,814.40 : x
  2. Step 2: Convert to fraction form
    18,443,145,942.40/27,664,718,913.60 = 4,656,857,814.40/x
  3. Step 3: Cross multiply
    18,443,145,942.40x = 27,664,718,913.60 × 4,656,857,814.40
  4. Step 4: Simplify right side
    18,443,145,942.40x = 128,830,662,455,977,623,552
  5. Step 5: Solve for x
    x = 128,830,662,455,977,623,552/18,443,145,942.40
  6. Step 6: Final answer
    x = 6,985,286,721.60

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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.