Home / 549,728,753.68-824,986,544.46-199,974,145.54

Finding the Fourth Proportional to 549,728,753.68, 824,986,544.46 and 199,974,145.54

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Solution

The fourth proportional to 549,728,753.68, 824,986,544.46 and 199,974,145.54 is: 300,104,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,728,753.68 : 824,986,544.46 = 199,974,145.54 : x
  2. Step 2: Convert to fraction form
    549,728,753.68/824,986,544.46 = 199,974,145.54/x
  3. Step 3: Cross multiply
    549,728,753.68x = 824,986,544.46 × 199,974,145.54
  4. Step 4: Simplify right side
    549,728,753.68x = 164,975,979,310,385,728
  5. Step 5: Solve for x
    x = 164,975,979,310,385,728/549,728,753.68
  6. Step 6: Final answer
    x = 300,104,330.01

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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.