Home / 690,682,715,059.44-953,078,182,735.20-382,027,430,989.20

Finding the Fourth Proportional to 690,682,715,059.44, 953,078,182,735.20 and 382,027,430,989.20

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Solution

The fourth proportional to 690,682,715,059.44, 953,078,182,735.20 and 382,027,430,989.20 is: 527,162,475,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,682,715,059.44 : 953,078,182,735.20 = 382,027,430,989.20 : x
  2. Step 2: Convert to fraction form
    690,682,715,059.44/953,078,182,735.20 = 382,027,430,989.20/x
  3. Step 3: Cross multiply
    690,682,715,059.44x = 953,078,182,735.20 × 382,027,430,989.20
  4. Step 4: Simplify right side
    690,682,715,059.44x = 364,102,009,682,183,743,078,400
  5. Step 5: Solve for x
    x = 364,102,009,682,183,743,078,400/690,682,715,059.44
  6. Step 6: Final answer
    x = 527,162,475,248.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.