Home / 1,026,456,676.80-1,539,743,997.60-299,557,579.20

Finding the Fourth Proportional to 1,026,456,676.80, 1,539,743,997.60 and 299,557,579.20

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Solution

The fourth proportional to 1,026,456,676.80, 1,539,743,997.60 and 299,557,579.20 is: 449,353,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,456,676.80 : 1,539,743,997.60 = 299,557,579.20 : x
  2. Step 2: Convert to fraction form
    1,026,456,676.80/1,539,743,997.60 = 299,557,579.20/x
  3. Step 3: Cross multiply
    1,026,456,676.80x = 1,539,743,997.60 × 299,557,579.20
  4. Step 4: Simplify right side
    1,026,456,676.80x = 461,241,984,508,786,560
  5. Step 5: Solve for x
    x = 461,241,984,508,786,560/1,026,456,676.80
  6. Step 6: Final answer
    x = 449,353,582.02

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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.