Home / 7,084,983,488.77-9,777,219,109.52-3,869,895,528.96

Finding the Fourth Proportional to 7,084,983,488.77, 9,777,219,109.52 and 3,869,895,528.96

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Solution

The fourth proportional to 7,084,983,488.77, 9,777,219,109.52 and 3,869,895,528.96 is: 5,340,424,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084,983,488.77 : 9,777,219,109.52 = 3,869,895,528.96 : x
  2. Step 2: Convert to fraction form
    7,084,983,488.77/9,777,219,109.52 = 3,869,895,528.96/x
  3. Step 3: Cross multiply
    7,084,983,488.77x = 9,777,219,109.52 × 3,869,895,528.96
  4. Step 4: Simplify right side
    7,084,983,488.77x = 37,836,816,517,593,718,784
  5. Step 5: Solve for x
    x = 37,836,816,517,593,718,784/7,084,983,488.77
  6. Step 6: Final answer
    x = 5,340,424,092.39

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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.