Home / 1,005,320,065.44-1,387,354,241.69-553,250,043.66

Finding the Fourth Proportional to 1,005,320,065.44, 1,387,354,241.69 and 553,250,043.66

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Solution

The fourth proportional to 1,005,320,065.44, 1,387,354,241.69 and 553,250,043.66 is: 763,491,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,320,065.44 : 1,387,354,241.69 = 553,250,043.66 : x
  2. Step 2: Convert to fraction form
    1,005,320,065.44/1,387,354,241.69 = 553,250,043.66/x
  3. Step 3: Cross multiply
    1,005,320,065.44x = 1,387,354,241.69 × 553,250,043.66
  4. Step 4: Simplify right side
    1,005,320,065.44x = 767,553,794,789,315,072
  5. Step 5: Solve for x
    x = 767,553,794,789,315,072/1,005,320,065.44
  6. Step 6: Final answer
    x = 763,491,967.56

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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.