Home / 7,152,296,743.17-10,728,558,886.78-3,981,717,650.86

Finding the Fourth Proportional to 7,152,296,743.17, 10,728,558,886.78 and 3,981,717,650.86

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Solution

The fourth proportional to 7,152,296,743.17, 10,728,558,886.78 and 3,981,717,650.86 is: 5,972,639,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,296,743.17 : 10,728,558,886.78 = 3,981,717,650.86 : x
  2. Step 2: Convert to fraction form
    7,152,296,743.17/10,728,558,886.78 = 3,981,717,650.86/x
  3. Step 3: Cross multiply
    7,152,296,743.17x = 10,728,558,886.78 × 3,981,717,650.86
  4. Step 4: Simplify right side
    7,152,296,743.17x = 42,718,092,287,788,965,888
  5. Step 5: Solve for x
    x = 42,718,092,287,788,965,888/7,152,296,743.17
  6. Step 6: Final answer
    x = 5,972,639,813.72

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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.