Home / 7,164,930,442.56-9,887,633,970.18-3,949,769,854.56

Finding the Fourth Proportional to 7,164,930,442.56, 9,887,633,970.18 and 3,949,769,854.56

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Solution

The fourth proportional to 7,164,930,442.56, 9,887,633,970.18 and 3,949,769,854.56 is: 5,450,698,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,930,442.56 : 9,887,633,970.18 = 3,949,769,854.56 : x
  2. Step 2: Convert to fraction form
    7,164,930,442.56/9,887,633,970.18 = 3,949,769,854.56/x
  3. Step 3: Cross multiply
    7,164,930,442.56x = 9,887,633,970.18 × 3,949,769,854.56
  4. Step 4: Simplify right side
    7,164,930,442.56x = 39,053,878,588,340,371,456
  5. Step 5: Solve for x
    x = 39,053,878,588,340,371,456/7,164,930,442.56
  6. Step 6: Final answer
    x = 5,450,698,914.86

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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.