Home / 615,719,260,404.68-922,932,375,060.75-207,163,794,161.21

Finding the Fourth Proportional to 615,719,260,404.68, 922,932,375,060.75 and 207,163,794,161.21

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Solution

The fourth proportional to 615,719,260,404.68, 922,932,375,060.75 and 207,163,794,161.21 is: 310,528,165,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,719,260,404.68 : 922,932,375,060.75 = 207,163,794,161.21 : x
  2. Step 2: Convert to fraction form
    615,719,260,404.68/922,932,375,060.75 = 207,163,794,161.21/x
  3. Step 3: Cross multiply
    615,719,260,404.68x = 922,932,375,060.75 × 207,163,794,161.21
  4. Step 4: Simplify right side
    615,719,260,404.68x = 191,198,172,571,801,879,576,576
  5. Step 5: Solve for x
    x = 191,198,172,571,801,879,576,576/615,719,260,404.68
  6. Step 6: Final answer
    x = 310,528,165,784.74

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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.