Home / 549,021,014.27-823,529,725.13-199,266,616.04

Finding the Fourth Proportional to 549,021,014.27, 823,529,725.13 and 199,266,616.04

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Solution

The fourth proportional to 549,021,014.27, 823,529,725.13 and 199,266,616.04 is: 298,899,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,021,014.27 : 823,529,725.13 = 199,266,616.04 : x
  2. Step 2: Convert to fraction form
    549,021,014.27/823,529,725.13 = 199,266,616.04/x
  3. Step 3: Cross multiply
    549,021,014.27x = 823,529,725.13 × 199,266,616.04
  4. Step 4: Simplify right side
    549,021,014.27x = 164,101,981,529,892,480
  5. Step 5: Solve for x
    x = 164,101,981,529,892,480/549,021,014.27
  6. Step 6: Final answer
    x = 298,899,272.10

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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.