Home / 12,071,747,012.35-16,659,011,644.68-6,719,192,145.67

Finding the Fourth Proportional to 12,071,747,012.35, 16,659,011,644.68 and 6,719,192,145.67

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Solution

The fourth proportional to 12,071,747,012.35, 16,659,011,644.68 and 6,719,192,145.67 is: 9,272,485,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,747,012.35 : 16,659,011,644.68 = 6,719,192,145.67 : x
  2. Step 2: Convert to fraction form
    12,071,747,012.35/16,659,011,644.68 = 6,719,192,145.67/x
  3. Step 3: Cross multiply
    12,071,747,012.35x = 16,659,011,644.68 × 6,719,192,145.67
  4. Step 4: Simplify right side
    12,071,747,012.35x = 111,935,100,197,558,927,360
  5. Step 5: Solve for x
    x = 111,935,100,197,558,927,360/12,071,747,012.35
  6. Step 6: Final answer
    x = 9,272,485,588.30

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Double scale
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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.