Home / 426,947,588,129.56-589,198,512,232.38-234,259,709,988.38

Finding the Fourth Proportional to 426,947,588,129.56, 589,198,512,232.38 and 234,259,709,988.38

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Solution

The fourth proportional to 426,947,588,129.56, 589,198,512,232.38 and 234,259,709,988.38 is: 323,284,347,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,947,588,129.56 : 589,198,512,232.38 = 234,259,709,988.38 : x
  2. Step 2: Convert to fraction form
    426,947,588,129.56/589,198,512,232.38 = 234,259,709,988.38/x
  3. Step 3: Cross multiply
    426,947,588,129.56x = 589,198,512,232.38 × 234,259,709,988.38
  4. Step 4: Simplify right side
    426,947,588,129.56x = 138,025,472,601,142,312,566,784
  5. Step 5: Solve for x
    x = 138,025,472,601,142,312,566,784/426,947,588,129.56
  6. Step 6: Final answer
    x = 323,284,347,865.34

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1.5x scale

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.