Home / 410,361,571,998.72-615,112,744,884.48-171,732,942,155.52

Finding the Fourth Proportional to 410,361,571,998.72, 615,112,744,884.48 and 171,732,942,155.52

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Solution

The fourth proportional to 410,361,571,998.72, 615,112,744,884.48 and 171,732,942,155.52 is: 257,419,623,679.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,361,571,998.72 : 615,112,744,884.48 = 171,732,942,155.52 : x
  2. Step 2: Convert to fraction form
    410,361,571,998.72/615,112,744,884.48 = 171,732,942,155.52/x
  3. Step 3: Cross multiply
    410,361,571,998.72x = 615,112,744,884.48 × 171,732,942,155.52
  4. Step 4: Simplify right side
    410,361,571,998.72x = 105,635,121,436,369,524,621,312
  5. Step 5: Solve for x
    x = 105,635,121,436,369,524,621,312/410,361,571,998.72
  6. Step 6: Final answer
    x = 257,419,623,679.33

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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.