Home / 783,206,995.11-1,174,944,334.91-322,893,533.67

Finding the Fourth Proportional to 783,206,995.11, 1,174,944,334.91 and 322,893,533.67

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Solution

The fourth proportional to 783,206,995.11, 1,174,944,334.91 and 322,893,533.67 is: 484,395,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,206,995.11 : 1,174,944,334.91 = 322,893,533.67 : x
  2. Step 2: Convert to fraction form
    783,206,995.11/1,174,944,334.91 = 322,893,533.67/x
  3. Step 3: Cross multiply
    783,206,995.11x = 1,174,944,334.91 × 322,893,533.67
  4. Step 4: Simplify right side
    783,206,995.11x = 379,381,928,158,617,344
  5. Step 5: Solve for x
    x = 379,381,928,158,617,344/783,206,995.11
  6. Step 6: Final answer
    x = 484,395,479.78

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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.