Home / 1,189,968,611.10-1,784,952,916.65-827,171,555.10

Finding the Fourth Proportional to 1,189,968,611.10, 1,784,952,916.65 and 827,171,555.10

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Solution

The fourth proportional to 1,189,968,611.10, 1,784,952,916.65 and 827,171,555.10 is: 1,240,757,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,968,611.10 : 1,784,952,916.65 = 827,171,555.10 : x
  2. Step 2: Convert to fraction form
    1,189,968,611.10/1,784,952,916.65 = 827,171,555.10/x
  3. Step 3: Cross multiply
    1,189,968,611.10x = 1,784,952,916.65 × 827,171,555.10
  4. Step 4: Simplify right side
    1,189,968,611.10x = 1,476,462,279,845,661,184
  5. Step 5: Solve for x
    x = 1,476,462,279,845,661,184/1,189,968,611.10
  6. Step 6: Final answer
    x = 1,240,757,332.65

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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.