Home / 18,266,990,408.10-27,400,485,612.15-8,968,898,672.10

Finding the Fourth Proportional to 18,266,990,408.10, 27,400,485,612.15 and 8,968,898,672.10

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Solution

The fourth proportional to 18,266,990,408.10, 27,400,485,612.15 and 8,968,898,672.10 is: 13,453,348,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266,990,408.10 : 27,400,485,612.15 = 8,968,898,672.10 : x
  2. Step 2: Convert to fraction form
    18,266,990,408.10/27,400,485,612.15 = 8,968,898,672.10/x
  3. Step 3: Cross multiply
    18,266,990,408.10x = 27,400,485,612.15 × 8,968,898,672.10
  4. Step 4: Simplify right side
    18,266,990,408.10x = 245,752,179,021,707,313,152
  5. Step 5: Solve for x
    x = 245,752,179,021,707,313,152/18,266,990,408.10
  6. Step 6: Final answer
    x = 13,453,348,008.15

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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.