Home / 1,151,607,289.92-1,589,213,273.28-622,969,972.90

Finding the Fourth Proportional to 1,151,607,289.92, 1,589,213,273.28 and 622,969,972.90

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Solution

The fourth proportional to 1,151,607,289.92, 1,589,213,273.28 and 622,969,972.90 is: 859,695,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,607,289.92 : 1,589,213,273.28 = 622,969,972.90 : x
  2. Step 2: Convert to fraction form
    1,151,607,289.92/1,589,213,273.28 = 622,969,972.90/x
  3. Step 3: Cross multiply
    1,151,607,289.92x = 1,589,213,273.28 × 622,969,972.90
  4. Step 4: Simplify right side
    1,151,607,289.92x = 990,032,149,787,561,856
  5. Step 5: Solve for x
    x = 990,032,149,787,561,856/1,151,607,289.92
  6. Step 6: Final answer
    x = 859,695,973.14

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Double scale
Find fourth proportional to 1,151,607,290.92, 1,589,213,274.66 and 622,969,973.90
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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.