Home / 1,918,731,028.10-2,878,096,542.15-1,918,731,028.10

Finding the Fourth Proportional to 1,918,731,028.10, 2,878,096,542.15 and 1,918,731,028.10

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Solution

The fourth proportional to 1,918,731,028.10, 2,878,096,542.15 and 1,918,731,028.10 is: 2,878,096,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,731,028.10 : 2,878,096,542.15 = 1,918,731,028.10 : x
  2. Step 2: Convert to fraction form
    1,918,731,028.10/2,878,096,542.15 = 1,918,731,028.10/x
  3. Step 3: Cross multiply
    1,918,731,028.10x = 2,878,096,542.15 × 1,918,731,028.10
  4. Step 4: Simplify right side
    1,918,731,028.10x = 5,522,293,137,290,524,672
  5. Step 5: Solve for x
    x = 5,522,293,137,290,524,672/1,918,731,028.10
  6. Step 6: Final answer
    x = 2,878,096,542.15

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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.