Home / 874,500,206.30-1,206,810,341.81-478,024,766.38

Finding the Fourth Proportional to 874,500,206.30, 1,206,810,341.81 and 478,024,766.38

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Solution

The fourth proportional to 874,500,206.30, 1,206,810,341.81 and 478,024,766.38 is: 659,674,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,500,206.30 : 1,206,810,341.81 = 478,024,766.38 : x
  2. Step 2: Convert to fraction form
    874,500,206.30/1,206,810,341.81 = 478,024,766.38/x
  3. Step 3: Cross multiply
    874,500,206.30x = 1,206,810,341.81 × 478,024,766.38
  4. Step 4: Simplify right side
    874,500,206.30x = 576,885,231,708,693,120
  5. Step 5: Solve for x
    x = 576,885,231,708,693,120/874,500,206.30
  6. Step 6: Final answer
    x = 659,674,208.83

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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.