Home / 18,608,939,013.12-27,913,651,656.96-6,187,269,588.48

Finding the Fourth Proportional to 18,608,939,013.12, 27,913,651,656.96 and 6,187,269,588.48

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Solution

The fourth proportional to 18,608,939,013.12, 27,913,651,656.96 and 6,187,269,588.48 is: 9,280,985,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608,939,013.12 : 27,913,651,656.96 = 6,187,269,588.48 : x
  2. Step 2: Convert to fraction form
    18,608,939,013.12/27,913,651,656.96 = 6,187,269,588.48/x
  3. Step 3: Cross multiply
    18,608,939,013.12x = 27,913,651,656.96 × 6,187,269,588.48
  4. Step 4: Simplify right side
    18,608,939,013.12x = 172,709,288,000,532,938,752
  5. Step 5: Solve for x
    x = 172,709,288,000,532,938,752/18,608,939,013.12
  6. Step 6: Final answer
    x = 9,280,985,223.22

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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.