Home / 7,778,857,018.52-11,670,141,806.64-2,538,474,978.36

Finding the Fourth Proportional to 7,778,857,018.52, 11,670,141,806.64 and 2,538,474,978.36

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Solution

The fourth proportional to 7,778,857,018.52, 11,670,141,806.64 and 2,538,474,978.36 is: 3,808,318,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,857,018.52 : 11,670,141,806.64 = 2,538,474,978.36 : x
  2. Step 2: Convert to fraction form
    7,778,857,018.52/11,670,141,806.64 = 2,538,474,978.36/x
  3. Step 3: Cross multiply
    7,778,857,018.52x = 11,670,141,806.64 × 2,538,474,978.36
  4. Step 4: Simplify right side
    7,778,857,018.52x = 29,624,362,970,068,606,976
  5. Step 5: Solve for x
    x = 29,624,362,970,068,606,976/7,778,857,018.52
  6. Step 6: Final answer
    x = 3,808,318,227.16

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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.