Home / 842,008,462.72-1,161,842,591.26-484,707,173.52

Finding the Fourth Proportional to 842,008,462.72, 1,161,842,591.26 and 484,707,173.52

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Solution

The fourth proportional to 842,008,462.72, 1,161,842,591.26 and 484,707,173.52 is: 668,821,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,008,462.72 : 1,161,842,591.26 = 484,707,173.52 : x
  2. Step 2: Convert to fraction form
    842,008,462.72/1,161,842,591.26 = 484,707,173.52/x
  3. Step 3: Cross multiply
    842,008,462.72x = 1,161,842,591.26 × 484,707,173.52
  4. Step 4: Simplify right side
    842,008,462.72x = 563,153,438,484,787,200
  5. Step 5: Solve for x
    x = 563,153,438,484,787,200/842,008,462.72
  6. Step 6: Final answer
    x = 668,821,589.59

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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.