Home / 18,018,288,901.80-27,027,433,352.70-12,508,308,613.80

Finding the Fourth Proportional to 18,018,288,901.80, 27,027,433,352.70 and 12,508,308,613.80

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Solution

The fourth proportional to 18,018,288,901.80, 27,027,433,352.70 and 12,508,308,613.80 is: 18,762,462,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,288,901.80 : 27,027,433,352.70 = 12,508,308,613.80 : x
  2. Step 2: Convert to fraction form
    18,018,288,901.80/27,027,433,352.70 = 12,508,308,613.80/x
  3. Step 3: Cross multiply
    18,018,288,901.80x = 27,027,433,352.70 × 12,508,308,613.80
  4. Step 4: Simplify right side
    18,018,288,901.80x = 338,067,477,414,482,804,736
  5. Step 5: Solve for x
    x = 338,067,477,414,482,804,736/18,018,288,901.80
  6. Step 6: Final answer
    x = 18,762,462,920.70

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1.5x scale

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.