Home / 807,203,401.68-1,210,690,133.76-254,433,992.16

Finding the Fourth Proportional to 807,203,401.68, 1,210,690,133.76 and 254,433,992.16

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Solution

The fourth proportional to 807,203,401.68, 1,210,690,133.76 and 254,433,992.16 is: 381,614,749.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,203,401.68 : 1,210,690,133.76 = 254,433,992.16 : x
  2. Step 2: Convert to fraction form
    807,203,401.68/1,210,690,133.76 = 254,433,992.16/x
  3. Step 3: Cross multiply
    807,203,401.68x = 1,210,690,133.76 × 254,433,992.16
  4. Step 4: Simplify right side
    807,203,401.68x = 308,040,724,001,281,216
  5. Step 5: Solve for x
    x = 308,040,724,001,281,216/807,203,401.68
  6. Step 6: Final answer
    x = 381,614,749.59

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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.