Home / 1,628,339,681.92-2,247,107,060.28-885,781,973.20

Finding the Fourth Proportional to 1,628,339,681.92, 2,247,107,060.28 and 885,781,973.20

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Solution

The fourth proportional to 1,628,339,681.92, 2,247,107,060.28 and 885,781,973.20 is: 1,222,378,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,339,681.92 : 2,247,107,060.28 = 885,781,973.20 : x
  2. Step 2: Convert to fraction form
    1,628,339,681.92/2,247,107,060.28 = 885,781,973.20/x
  3. Step 3: Cross multiply
    1,628,339,681.92x = 2,247,107,060.28 × 885,781,973.20
  4. Step 4: Simplify right side
    1,628,339,681.92x = 1,990,446,925,846,470,144
  5. Step 5: Solve for x
    x = 1,990,446,925,846,470,144/1,628,339,681.92
  6. Step 6: Final answer
    x = 1,222,378,197.83

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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.