Home / 1,114,805,934.91-1,538,530,216.19-613,103,137.62

Finding the Fourth Proportional to 1,114,805,934.91, 1,538,530,216.19 and 613,103,137.62

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Solution

The fourth proportional to 1,114,805,934.91, 1,538,530,216.19 and 613,103,137.62 is: 846,136,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,805,934.91 : 1,538,530,216.19 = 613,103,137.62 : x
  2. Step 2: Convert to fraction form
    1,114,805,934.91/1,538,530,216.19 = 613,103,137.62/x
  3. Step 3: Cross multiply
    1,114,805,934.91x = 1,538,530,216.19 × 613,103,137.62
  4. Step 4: Simplify right side
    1,114,805,934.91x = 943,277,702,869,265,920
  5. Step 5: Solve for x
    x = 943,277,702,869,265,920/1,114,805,934.91
  6. Step 6: Final answer
    x = 846,136,240.70

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Half scale
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Double scale
Find fourth proportional to 1,114,805,935.91, 1,538,530,217.57 and 613,103,138.62
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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.