Home / 28,250,564,218.92-42,361,132,251.15-13,323,721,919.36

Finding the Fourth Proportional to 28,250,564,218.92, 42,361,132,251.15 and 13,323,721,919.36

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Solution

The fourth proportional to 28,250,564,218.92, 42,361,132,251.15 and 13,323,721,919.36 is: 19,978,643,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250,564,218.92 : 42,361,132,251.15 = 13,323,721,919.36 : x
  2. Step 2: Convert to fraction form
    28,250,564,218.92/42,361,132,251.15 = 13,323,721,919.36/x
  3. Step 3: Cross multiply
    28,250,564,218.92x = 42,361,132,251.15 × 13,323,721,919.36
  4. Step 4: Simplify right side
    28,250,564,218.92x = 564,407,946,303,343,296,512
  5. Step 5: Solve for x
    x = 564,407,946,303,343,296,512/28,250,564,218.92
  6. Step 6: Final answer
    x = 19,978,643,326.54

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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.