Home / 28,558,648,217.40-42,837,972,326.10-25,456,733,388.60

Finding the Fourth Proportional to 28,558,648,217.40, 42,837,972,326.10 and 25,456,733,388.60

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Solution

The fourth proportional to 28,558,648,217.40, 42,837,972,326.10 and 25,456,733,388.60 is: 38,185,100,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558,648,217.40 : 42,837,972,326.10 = 25,456,733,388.60 : x
  2. Step 2: Convert to fraction form
    28,558,648,217.40/42,837,972,326.10 = 25,456,733,388.60/x
  3. Step 3: Cross multiply
    28,558,648,217.40x = 42,837,972,326.10 × 25,456,733,388.60
  4. Step 4: Simplify right side
    28,558,648,217.40x = 1,090,514,840,413,752,524,800
  5. Step 5: Solve for x
    x = 1,090,514,840,413,752,524,800/28,558,648,217.40
  6. Step 6: Final answer
    x = 38,185,100,082.90

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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.