Home / 493,094,715.12-680,143,053.15-317,105,206.74

Finding the Fourth Proportional to 493,094,715.12, 680,143,053.15 and 317,105,206.74

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Solution

The fourth proportional to 493,094,715.12, 680,143,053.15 and 317,105,206.74 is: 437,394,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,094,715.12 : 680,143,053.15 = 317,105,206.74 : x
  2. Step 2: Convert to fraction form
    493,094,715.12/680,143,053.15 = 317,105,206.74/x
  3. Step 3: Cross multiply
    493,094,715.12x = 680,143,053.15 × 317,105,206.74
  4. Step 4: Simplify right side
    493,094,715.12x = 215,676,903,481,905,568
  5. Step 5: Solve for x
    x = 215,676,903,481,905,568/493,094,715.12
  6. Step 6: Final answer
    x = 437,394,473.86

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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.