Home / 518,444,172.12-777,667,045.61-211,736,285

Finding the Fourth Proportional to 518,444,172.12, 777,667,045.61 and 211,736,285

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Solution

The fourth proportional to 518,444,172.12, 777,667,045.61 and 211,736,285 is: 317,604,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,444,172.12 : 777,667,045.61 = 211,736,285 : x
  2. Step 2: Convert to fraction form
    518,444,172.12/777,667,045.61 = 211,736,285/x
  3. Step 3: Cross multiply
    518,444,172.12x = 777,667,045.61 × 211,736,285
  4. Step 4: Simplify right side
    518,444,172.12x = 164,660,331,204,386,976
  5. Step 5: Solve for x
    x = 164,660,331,204,386,976/518,444,172.12
  6. Step 6: Final answer
    x = 317,604,749.09

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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.