Home / 28,250,564,216.67-42,361,132,247.78-13,323,721,917.11

Finding the Fourth Proportional to 28,250,564,216.67, 42,361,132,247.78 and 13,323,721,917.11

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Solution

The fourth proportional to 28,250,564,216.67, 42,361,132,247.78 and 13,323,721,917.11 is: 19,978,643,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250,564,216.67 : 42,361,132,247.78 = 13,323,721,917.11 : x
  2. Step 2: Convert to fraction form
    28,250,564,216.67/42,361,132,247.78 = 13,323,721,917.11/x
  3. Step 3: Cross multiply
    28,250,564,216.67x = 42,361,132,247.78 × 13,323,721,917.11
  4. Step 4: Simplify right side
    28,250,564,216.67x = 564,407,946,163,063,160,832
  5. Step 5: Solve for x
    x = 564,407,946,163,063,160,832/28,250,564,216.67
  6. Step 6: Final answer
    x = 19,978,643,323.17

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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.