Home / 422,447,732,086.32-633,932,239,373.46-195,764,931,849.78

Finding the Fourth Proportional to 422,447,732,086.32, 633,932,239,373.46 and 195,764,931,849.78

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Solution

The fourth proportional to 422,447,732,086.32, 633,932,239,373.46 and 195,764,931,849.78 is: 293,768,180,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,447,732,086.32 : 633,932,239,373.46 = 195,764,931,849.78 : x
  2. Step 2: Convert to fraction form
    422,447,732,086.32/633,932,239,373.46 = 195,764,931,849.78/x
  3. Step 3: Cross multiply
    422,447,732,086.32x = 633,932,239,373.46 × 195,764,931,849.78
  4. Step 4: Simplify right side
    422,447,732,086.32x = 124,101,701,638,323,802,472,448
  5. Step 5: Solve for x
    x = 124,101,701,638,323,802,472,448/422,447,732,086.32
  6. Step 6: Final answer
    x = 293,768,180,563.85

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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.