Home / 944,784,890.40-1,417,177,335.60-331,147,682.40

Finding the Fourth Proportional to 944,784,890.40, 1,417,177,335.60 and 331,147,682.40

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Solution

The fourth proportional to 944,784,890.40, 1,417,177,335.60 and 331,147,682.40 is: 496,721,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,784,890.40 : 1,417,177,335.60 = 331,147,682.40 : x
  2. Step 2: Convert to fraction form
    944,784,890.40/1,417,177,335.60 = 331,147,682.40/x
  3. Step 3: Cross multiply
    944,784,890.40x = 1,417,177,335.60 × 331,147,682.40
  4. Step 4: Simplify right side
    944,784,890.40x = 469,294,990,233,746,944
  5. Step 5: Solve for x
    x = 469,294,990,233,746,944/944,784,890.40
  6. Step 6: Final answer
    x = 496,721,523.60

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Half scale
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Double scale
Find fourth proportional to 944,784,891.40, 1,417,177,337.10 and 331,147,683.40
Similar ratio
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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.