Home / 320,779,757.72-442,600,193.82-181,550,519.44

Finding the Fourth Proportional to 320,779,757.72, 442,600,193.82 and 181,550,519.44

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Solution

The fourth proportional to 320,779,757.72, 442,600,193.82 and 181,550,519.44 is: 250,496,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,779,757.72 : 442,600,193.82 = 181,550,519.44 : x
  2. Step 2: Convert to fraction form
    320,779,757.72/442,600,193.82 = 181,550,519.44/x
  3. Step 3: Cross multiply
    320,779,757.72x = 442,600,193.82 × 181,550,519.44
  4. Step 4: Simplify right side
    320,779,757.72x = 80,354,295,091,841,808
  5. Step 5: Solve for x
    x = 80,354,295,091,841,808/320,779,757.72
  6. Step 6: Final answer
    x = 250,496,775.93

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1.5x scale

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.