Home / 764,930,087.62-1,145,020,005.66-414,305,309.86

Finding the Fourth Proportional to 764,930,087.62, 1,145,020,005.66 and 414,305,309.86

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Solution

The fourth proportional to 764,930,087.62, 1,145,020,005.66 and 414,305,309.86 is: 620,171,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,930,087.62 : 1,145,020,005.66 = 414,305,309.86 : x
  2. Step 2: Convert to fraction form
    764,930,087.62/1,145,020,005.66 = 414,305,309.86/x
  3. Step 3: Cross multiply
    764,930,087.62x = 1,145,020,005.66 × 414,305,309.86
  4. Step 4: Simplify right side
    764,930,087.62x = 474,387,868,240,865,280
  5. Step 5: Solve for x
    x = 474,387,868,240,865,280/764,930,087.62
  6. Step 6: Final answer
    x = 620,171,537.14

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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.