Home / 12,851,159,890.47-19,266,601,675.98-8,119,508,498.97

Finding the Fourth Proportional to 12,851,159,890.47, 19,266,601,675.98 and 8,119,508,498.97

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Solution

The fourth proportional to 12,851,159,890.47, 19,266,601,675.98 and 8,119,508,498.97 is: 12,172,857,344.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851,159,890.47 : 19,266,601,675.98 = 8,119,508,498.97 : x
  2. Step 2: Convert to fraction form
    12,851,159,890.47/19,266,601,675.98 = 8,119,508,498.97/x
  3. Step 3: Cross multiply
    12,851,159,890.47x = 19,266,601,675.98 × 8,119,508,498.97
  4. Step 4: Simplify right side
    12,851,159,890.47x = 156,435,336,054,357,295,104
  5. Step 5: Solve for x
    x = 156,435,336,054,357,295,104/12,851,159,890.47
  6. Step 6: Final answer
    x = 12,172,857,344.21

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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.