Home / 491,156,472,922.40-736,734,709,383.60-155,797,644,893.60

Finding the Fourth Proportional to 491,156,472,922.40, 736,734,709,383.60 and 155,797,644,893.60

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Solution

The fourth proportional to 491,156,472,922.40, 736,734,709,383.60 and 155,797,644,893.60 is: 233,696,467,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,156,472,922.40 : 736,734,709,383.60 = 155,797,644,893.60 : x
  2. Step 2: Convert to fraction form
    491,156,472,922.40/736,734,709,383.60 = 155,797,644,893.60/x
  3. Step 3: Cross multiply
    491,156,472,922.40x = 736,734,709,383.60 × 155,797,644,893.60
  4. Step 4: Simplify right side
    491,156,472,922.40x = 114,781,532,633,335,712,448,512
  5. Step 5: Solve for x
    x = 114,781,532,633,335,712,448,512/491,156,472,922.40
  6. Step 6: Final answer
    x = 233,696,467,340.40

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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.