Home / 12,430,167,930.14-18,658,524,880.26-5,351,154,607.12

Finding the Fourth Proportional to 12,430,167,930.14, 18,658,524,880.26 and 5,351,154,607.12

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Solution

The fourth proportional to 12,430,167,930.14, 18,658,524,880.26 and 5,351,154,607.12 is: 8,032,445,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430,167,930.14 : 18,658,524,880.26 = 5,351,154,607.12 : x
  2. Step 2: Convert to fraction form
    12,430,167,930.14/18,658,524,880.26 = 5,351,154,607.12/x
  3. Step 3: Cross multiply
    12,430,167,930.14x = 18,658,524,880.26 × 5,351,154,607.12
  4. Step 4: Simplify right side
    12,430,167,930.14x = 99,844,651,375,066,431,488
  5. Step 5: Solve for x
    x = 99,844,651,375,066,431,488/12,430,167,930.14
  6. Step 6: Final answer
    x = 8,032,445,895.84

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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.