Home / 412,497,591.46-619,018,979.19-194,210,359.46

Finding the Fourth Proportional to 412,497,591.46, 619,018,979.19 and 194,210,359.46

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Solution

The fourth proportional to 412,497,591.46, 619,018,979.19 and 194,210,359.46 is: 291,443,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,497,591.46 : 619,018,979.19 = 194,210,359.46 : x
  2. Step 2: Convert to fraction form
    412,497,591.46/619,018,979.19 = 194,210,359.46/x
  3. Step 3: Cross multiply
    412,497,591.46x = 619,018,979.19 × 194,210,359.46
  4. Step 4: Simplify right side
    412,497,591.46x = 120,219,898,461,195,072
  5. Step 5: Solve for x
    x = 120,219,898,461,195,072/412,497,591.46
  6. Step 6: Final answer
    x = 291,443,879.80

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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.