Home / 549,021,012.01-823,529,721.75-199,266,613.79

Finding the Fourth Proportional to 549,021,012.01, 823,529,721.75 and 199,266,613.79

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Solution

The fourth proportional to 549,021,012.01, 823,529,721.75 and 199,266,613.79 is: 298,899,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,021,012.01 : 823,529,721.75 = 199,266,613.79 : x
  2. Step 2: Convert to fraction form
    549,021,012.01/823,529,721.75 = 199,266,613.79/x
  3. Step 3: Cross multiply
    549,021,012.01x = 823,529,721.75 × 199,266,613.79
  4. Step 4: Simplify right side
    549,021,012.01x = 164,101,979,005,172,992
  5. Step 5: Solve for x
    x = 164,101,979,005,172,992/549,021,012.01
  6. Step 6: Final answer
    x = 298,899,268.73

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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.