Home / 1,992,114,200.70-2,988,171,301.05-611,997,353.10

Finding the Fourth Proportional to 1,992,114,200.70, 2,988,171,301.05 and 611,997,353.10

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Solution

The fourth proportional to 1,992,114,200.70, 2,988,171,301.05 and 611,997,353.10 is: 917,996,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,114,200.70 : 2,988,171,301.05 = 611,997,353.10 : x
  2. Step 2: Convert to fraction form
    1,992,114,200.70/2,988,171,301.05 = 611,997,353.10/x
  3. Step 3: Cross multiply
    1,992,114,200.70x = 2,988,171,301.05 × 611,997,353.10
  4. Step 4: Simplify right side
    1,992,114,200.70x = 1,828,752,926,851,983,360
  5. Step 5: Solve for x
    x = 1,828,752,926,851,983,360/1,992,114,200.70
  6. Step 6: Final answer
    x = 917,996,029.65

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Double scale
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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.