Home / 487,009,802.60-730,765,859.11-228,251,310.92

Finding the Fourth Proportional to 487,009,802.60, 730,765,859.11 and 228,251,310.92

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Solution

The fourth proportional to 487,009,802.60, 730,765,859.11 and 228,251,310.92 is: 342,494,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,009,802.60 : 730,765,859.11 = 228,251,310.92 : x
  2. Step 2: Convert to fraction form
    487,009,802.60/730,765,859.11 = 228,251,310.92/x
  3. Step 3: Cross multiply
    487,009,802.60x = 730,765,859.11 × 228,251,310.92
  4. Step 4: Simplify right side
    487,009,802.60x = 166,798,265,317,437,504
  5. Step 5: Solve for x
    x = 166,798,265,317,437,504/487,009,802.60
  6. Step 6: Final answer
    x = 342,494,677.58

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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.