Home / 7,965,853,215.45-11,942,889,203.81-4,817,367,864.72

Finding the Fourth Proportional to 7,965,853,215.45, 11,942,889,203.81 and 4,817,367,864.72

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Solution

The fourth proportional to 7,965,853,215.45, 11,942,889,203.81 and 4,817,367,864.72 is: 7,222,489,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,853,215.45 : 11,942,889,203.81 = 4,817,367,864.72 : x
  2. Step 2: Convert to fraction form
    7,965,853,215.45/11,942,889,203.81 = 4,817,367,864.72/x
  3. Step 3: Cross multiply
    7,965,853,215.45x = 11,942,889,203.81 × 4,817,367,864.72
  4. Step 4: Simplify right side
    7,965,853,215.45x = 57,533,290,662,345,719,808
  5. Step 5: Solve for x
    x = 57,533,290,662,345,719,808/7,965,853,215.45
  6. Step 6: Final answer
    x = 7,222,489,431.61

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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.