Home / 410,213,168.52-615,417,642.46-133,864,896.86

Finding the Fourth Proportional to 410,213,168.52, 615,417,642.46 and 133,864,896.86

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Solution

The fourth proportional to 410,213,168.52, 615,417,642.46 and 133,864,896.86 is: 200,829,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,213,168.52 : 615,417,642.46 = 133,864,896.86 : x
  2. Step 2: Convert to fraction form
    410,213,168.52/615,417,642.46 = 133,864,896.86/x
  3. Step 3: Cross multiply
    410,213,168.52x = 615,417,642.46 × 133,864,896.86
  4. Step 4: Simplify right side
    410,213,168.52x = 82,382,819,233,732,256
  5. Step 5: Solve for x
    x = 82,382,819,233,732,256/410,213,168.52
  6. Step 6: Final answer
    x = 200,829,289.64

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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.