Home / 1,091,338,616.20-1,637,007,924.30-970,807,797.40

Finding the Fourth Proportional to 1,091,338,616.20, 1,637,007,924.30 and 970,807,797.40

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Solution

The fourth proportional to 1,091,338,616.20, 1,637,007,924.30 and 970,807,797.40 is: 1,456,211,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,338,616.20 : 1,637,007,924.30 = 970,807,797.40 : x
  2. Step 2: Convert to fraction form
    1,091,338,616.20/1,637,007,924.30 = 970,807,797.40/x
  3. Step 3: Cross multiply
    1,091,338,616.20x = 1,637,007,924.30 × 970,807,797.40
  4. Step 4: Simplify right side
    1,091,338,616.20x = 1,589,220,057,316,028,928
  5. Step 5: Solve for x
    x = 1,589,220,057,316,028,928/1,091,338,616.20
  6. Step 6: Final answer
    x = 1,456,211,696.10

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Double scale
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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.