Home / 15,562,488,618.72-21,476,205,902.88-8,425,901,556

Finding the Fourth Proportional to 15,562,488,618.72, 21,476,205,902.88 and 8,425,901,556

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Solution

The fourth proportional to 15,562,488,618.72, 21,476,205,902.88 and 8,425,901,556 is: 11,627,728,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562,488,618.72 : 21,476,205,902.88 = 8,425,901,556 : x
  2. Step 2: Convert to fraction form
    15,562,488,618.72/21,476,205,902.88 = 8,425,901,556/x
  3. Step 3: Cross multiply
    15,562,488,618.72x = 21,476,205,902.88 × 8,425,901,556
  4. Step 4: Simplify right side
    15,562,488,618.72x = 180,956,396,734,052,990,976
  5. Step 5: Solve for x
    x = 180,956,396,734,052,990,976/15,562,488,618.72
  6. Step 6: Final answer
    x = 11,627,728,775.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.