Home / 6,899,586,590.52-9,521,429,494.86-3,929,639,190.84

Finding the Fourth Proportional to 6,899,586,590.52, 9,521,429,494.86 and 3,929,639,190.84

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Solution

The fourth proportional to 6,899,586,590.52, 9,521,429,494.86 and 3,929,639,190.84 is: 5,422,902,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899,586,590.52 : 9,521,429,494.86 = 3,929,639,190.84 : x
  2. Step 2: Convert to fraction form
    6,899,586,590.52/9,521,429,494.86 = 3,929,639,190.84/x
  3. Step 3: Cross multiply
    6,899,586,590.52x = 9,521,429,494.86 × 3,929,639,190.84
  4. Step 4: Simplify right side
    6,899,586,590.52x = 37,415,782,495,821,766,656
  5. Step 5: Solve for x
    x = 37,415,782,495,821,766,656/6,899,586,590.52
  6. Step 6: Final answer
    x = 5,422,902,083.33

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Double scale
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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.