Home / 1,151,285,864.42-1,588,774,493.78-622,649,847.65

Finding the Fourth Proportional to 1,151,285,864.42, 1,588,774,493.78 and 622,649,847.65

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Solution

The fourth proportional to 1,151,285,864.42, 1,588,774,493.78 and 622,649,847.65 is: 859,256,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,285,864.42 : 1,588,774,493.78 = 622,649,847.65 : x
  2. Step 2: Convert to fraction form
    1,151,285,864.42/1,588,774,493.78 = 622,649,847.65/x
  3. Step 3: Cross multiply
    1,151,285,864.42x = 1,588,774,493.78 × 622,649,847.65
  4. Step 4: Simplify right side
    1,151,285,864.42x = 989,250,196,491,265,792
  5. Step 5: Solve for x
    x = 989,250,196,491,265,792/1,151,285,864.42
  6. Step 6: Final answer
    x = 859,256,790.23

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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.