Home / 13,887,487,935.66-19,165,260,170.16-7,783,953,304.37

Finding the Fourth Proportional to 13,887,487,935.66, 19,165,260,170.16 and 7,783,953,304.37

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Solution

The fourth proportional to 13,887,487,935.66, 19,165,260,170.16 and 7,783,953,304.37 is: 10,742,150,842.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,487,935.66 : 19,165,260,170.16 = 7,783,953,304.37 : x
  2. Step 2: Convert to fraction form
    13,887,487,935.66/19,165,260,170.16 = 7,783,953,304.37/x
  3. Step 3: Cross multiply
    13,887,487,935.66x = 19,165,260,170.16 × 7,783,953,304.37
  4. Step 4: Simplify right side
    13,887,487,935.66x = 149,181,490,230,531,850,240
  5. Step 5: Solve for x
    x = 149,181,490,230,531,850,240/13,887,487,935.66
  6. Step 6: Final answer
    x = 10,742,150,842.66

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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.