Home / 1,878,417,997.62-2,592,455,984.55-1,135,867,374.78

Finding the Fourth Proportional to 1,878,417,997.62, 2,592,455,984.55 and 1,135,867,374.78

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Solution

The fourth proportional to 1,878,417,997.62, 2,592,455,984.55 and 1,135,867,374.78 is: 1,567,641,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,417,997.62 : 2,592,455,984.55 = 1,135,867,374.78 : x
  2. Step 2: Convert to fraction form
    1,878,417,997.62/2,592,455,984.55 = 1,135,867,374.78/x
  3. Step 3: Cross multiply
    1,878,417,997.62x = 2,592,455,984.55 × 1,135,867,374.78
  4. Step 4: Simplify right side
    1,878,417,997.62x = 2,944,686,173,403,508,736
  5. Step 5: Solve for x
    x = 2,944,686,173,403,508,736/1,878,417,997.62
  6. Step 6: Final answer
    x = 1,567,641,588.37

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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.