Home / 1,446,188,386.76-1,993,722,561.89-969,963,857.51

Finding the Fourth Proportional to 1,446,188,386.76, 1,993,722,561.89 and 969,963,857.51

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Solution

The fourth proportional to 1,446,188,386.76, 1,993,722,561.89 and 969,963,857.51 is: 1,337,197,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,188,386.76 : 1,993,722,561.89 = 969,963,857.51 : x
  2. Step 2: Convert to fraction form
    1,446,188,386.76/1,993,722,561.89 = 969,963,857.51/x
  3. Step 3: Cross multiply
    1,446,188,386.76x = 1,993,722,561.89 × 969,963,857.51
  4. Step 4: Simplify right side
    1,446,188,386.76x = 1,933,838,826,941,158,656
  5. Step 5: Solve for x
    x = 1,933,838,826,941,158,656/1,446,188,386.76
  6. Step 6: Final answer
    x = 1,337,197,037.84

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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.