Home / 289,797,357,990.20-434,894,600,030.68-101,143,253,508.72

Finding the Fourth Proportional to 289,797,357,990.20, 434,894,600,030.68 and 101,143,253,508.72

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Solution

The fourth proportional to 289,797,357,990.20, 434,894,600,030.68 and 101,143,253,508.72 is: 151,784,181,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,797,357,990.20 : 434,894,600,030.68 = 101,143,253,508.72 : x
  2. Step 2: Convert to fraction form
    289,797,357,990.20/434,894,600,030.68 = 101,143,253,508.72/x
  3. Step 3: Cross multiply
    289,797,357,990.20x = 434,894,600,030.68 × 101,143,253,508.72
  4. Step 4: Simplify right side
    289,797,357,990.20x = 43,986,654,780,476,455,124,992
  5. Step 5: Solve for x
    x = 43,986,654,780,476,455,124,992/289,797,357,990.20
  6. Step 6: Final answer
    x = 151,784,181,489.90

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1.5x scale

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.