Home / 12,167,919,519.72-16,752,702,779.82-9,488,261,137.50

Finding the Fourth Proportional to 12,167,919,519.72, 16,752,702,779.82 and 9,488,261,137.50

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Solution

The fourth proportional to 12,167,919,519.72, 16,752,702,779.82 and 9,488,261,137.50 is: 13,063,368,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167,919,519.72 : 16,752,702,779.82 = 9,488,261,137.50 : x
  2. Step 2: Convert to fraction form
    12,167,919,519.72/16,752,702,779.82 = 9,488,261,137.50/x
  3. Step 3: Cross multiply
    12,167,919,519.72x = 16,752,702,779.82 × 9,488,261,137.50
  4. Step 4: Simplify right side
    12,167,919,519.72x = 158,954,018,733,854,326,784
  5. Step 5: Solve for x
    x = 158,954,018,733,854,326,784/12,167,919,519.72
  6. Step 6: Final answer
    x = 13,063,368,678.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.