Home / 487,727,893.70-673,065,159.82-264,709,578.76

Finding the Fourth Proportional to 487,727,893.70, 673,065,159.82 and 264,709,578.76

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Solution

The fourth proportional to 487,727,893.70, 673,065,159.82 and 264,709,578.76 is: 365,299,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,727,893.70 : 673,065,159.82 = 264,709,578.76 : x
  2. Step 2: Convert to fraction form
    487,727,893.70/673,065,159.82 = 264,709,578.76/x
  3. Step 3: Cross multiply
    487,727,893.70x = 673,065,159.82 × 264,709,578.76
  4. Step 4: Simplify right side
    487,727,893.70x = 178,166,794,933,322,496
  5. Step 5: Solve for x
    x = 178,166,794,933,322,496/487,727,893.70
  6. Step 6: Final answer
    x = 365,299,580.43

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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.