Home / 512,079,831.56-706,662,646.92-286,022,114.24

Finding the Fourth Proportional to 512,079,831.56, 706,662,646.92 and 286,022,114.24

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Solution

The fourth proportional to 512,079,831.56, 706,662,646.92 and 286,022,114.24 is: 394,706,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,079,831.56 : 706,662,646.92 = 286,022,114.24 : x
  2. Step 2: Convert to fraction form
    512,079,831.56/706,662,646.92 = 286,022,114.24/x
  3. Step 3: Cross multiply
    512,079,831.56x = 706,662,646.92 × 286,022,114.24
  4. Step 4: Simplify right side
    512,079,831.56x = 202,121,144,322,959,712
  5. Step 5: Solve for x
    x = 202,121,144,322,959,712/512,079,831.56
  6. Step 6: Final answer
    x = 394,706,316.99

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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.