Home / 1,210,074,346.20-1,815,111,519.30-1,183,200,490.20

Finding the Fourth Proportional to 1,210,074,346.20, 1,815,111,519.30 and 1,183,200,490.20

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Solution

The fourth proportional to 1,210,074,346.20, 1,815,111,519.30 and 1,183,200,490.20 is: 1,774,800,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,074,346.20 : 1,815,111,519.30 = 1,183,200,490.20 : x
  2. Step 2: Convert to fraction form
    1,210,074,346.20/1,815,111,519.30 = 1,183,200,490.20/x
  3. Step 3: Cross multiply
    1,210,074,346.20x = 1,815,111,519.30 × 1,183,200,490.20
  4. Step 4: Simplify right side
    1,210,074,346.20x = 2,147,640,839,403,426,816
  5. Step 5: Solve for x
    x = 2,147,640,839,403,426,816/1,210,074,346.20
  6. Step 6: Final answer
    x = 1,774,800,735.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.