Home / 18,878,995,092.89-26,053,015,779.11-10,420,820,466.32

Finding the Fourth Proportional to 18,878,995,092.89, 26,053,015,779.11 and 10,420,820,466.32

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Solution

The fourth proportional to 18,878,995,092.89, 26,053,015,779.11 and 10,420,820,466.32 is: 14,380,733,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878,995,092.89 : 26,053,015,779.11 = 10,420,820,466.32 : x
  2. Step 2: Convert to fraction form
    18,878,995,092.89/26,053,015,779.11 = 10,420,820,466.32/x
  3. Step 3: Cross multiply
    18,878,995,092.89x = 26,053,015,779.11 × 10,420,820,466.32
  4. Step 4: Simplify right side
    18,878,995,092.89x = 271,493,800,040,406,384,640
  5. Step 5: Solve for x
    x = 271,493,800,040,406,384,640/18,878,995,092.89
  6. Step 6: Final answer
    x = 14,380,733,651.58

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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.