Home / 20,785,400,558.20-31,178,100,837.30-16,867,192,353.40

Finding the Fourth Proportional to 20,785,400,558.20, 31,178,100,837.30 and 16,867,192,353.40

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Solution

The fourth proportional to 20,785,400,558.20, 31,178,100,837.30 and 16,867,192,353.40 is: 25,300,788,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,400,558.20 : 31,178,100,837.30 = 16,867,192,353.40 : x
  2. Step 2: Convert to fraction form
    20,785,400,558.20/31,178,100,837.30 = 16,867,192,353.40/x
  3. Step 3: Cross multiply
    20,785,400,558.20x = 31,178,100,837.30 × 16,867,192,353.40
  4. Step 4: Simplify right side
    20,785,400,558.20x = 525,887,024,036,440,702,976
  5. Step 5: Solve for x
    x = 525,887,024,036,440,702,976/20,785,400,558.20
  6. Step 6: Final answer
    x = 25,300,788,530.10

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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.