Home / 12,711,046,743.36-19,078,351,277.94-6,419,894,004.72

Finding the Fourth Proportional to 12,711,046,743.36, 19,078,351,277.94 and 6,419,894,004.72

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Solution

The fourth proportional to 12,711,046,743.36, 19,078,351,277.94 and 6,419,894,004.72 is: 9,635,791,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,046,743.36 : 19,078,351,277.94 = 6,419,894,004.72 : x
  2. Step 2: Convert to fraction form
    12,711,046,743.36/19,078,351,277.94 = 6,419,894,004.72/x
  3. Step 3: Cross multiply
    12,711,046,743.36x = 19,078,351,277.94 × 6,419,894,004.72
  4. Step 4: Simplify right side
    12,711,046,743.36x = 122,480,992,989,189,144,576
  5. Step 5: Solve for x
    x = 122,480,992,989,189,144,576/12,711,046,743.36
  6. Step 6: Final answer
    x = 9,635,791,250.09

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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.