Home / 485,514,019.80-728,271,029.70-441,032,408.10

Finding the Fourth Proportional to 485,514,019.80, 728,271,029.70 and 441,032,408.10

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Solution

The fourth proportional to 485,514,019.80, 728,271,029.70 and 441,032,408.10 is: 661,548,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,514,019.80 : 728,271,029.70 = 441,032,408.10 : x
  2. Step 2: Convert to fraction form
    485,514,019.80/728,271,029.70 = 441,032,408.10/x
  3. Step 3: Cross multiply
    485,514,019.80x = 728,271,029.70 × 441,032,408.10
  4. Step 4: Simplify right side
    485,514,019.80x = 321,191,125,978,057,664
  5. Step 5: Solve for x
    x = 321,191,125,978,057,664/485,514,019.80
  6. Step 6: Final answer
    x = 661,548,612.15

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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.