Home / 12,881,331,294.08-19,318,805,670.56-5,519,507,181.44

Finding the Fourth Proportional to 12,881,331,294.08, 19,318,805,670.56 and 5,519,507,181.44

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Solution

The fourth proportional to 12,881,331,294.08, 19,318,805,670.56 and 5,519,507,181.44 is: 8,277,893,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881,331,294.08 : 19,318,805,670.56 = 5,519,507,181.44 : x
  2. Step 2: Convert to fraction form
    12,881,331,294.08/19,318,805,670.56 = 5,519,507,181.44/x
  3. Step 3: Cross multiply
    12,881,331,294.08x = 19,318,805,670.56 × 5,519,507,181.44
  4. Step 4: Simplify right side
    12,881,331,294.08x = 106,630,286,635,499,716,608
  5. Step 5: Solve for x
    x = 106,630,286,635,499,716,608/12,881,331,294.08
  6. Step 6: Final answer
    x = 8,277,893,348.22

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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.