Home / 772,503,433.83-1,066,082,772.31-442,542,345.75

Finding the Fourth Proportional to 772,503,433.83, 1,066,082,772.31 and 442,542,345.75

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Solution

The fourth proportional to 772,503,433.83, 1,066,082,772.31 and 442,542,345.75 is: 610,724,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,503,433.83 : 1,066,082,772.31 = 442,542,345.75 : x
  2. Step 2: Convert to fraction form
    772,503,433.83/1,066,082,772.31 = 442,542,345.75/x
  3. Step 3: Cross multiply
    772,503,433.83x = 1,066,082,772.31 × 442,542,345.75
  4. Step 4: Simplify right side
    772,503,433.83x = 471,786,770,820,624,192
  5. Step 5: Solve for x
    x = 471,786,770,820,624,192/772,503,433.83
  6. Step 6: Final answer
    x = 610,724,496.69

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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.