Home / 487,009,801.60-730,765,857.61-228,251,309.92

Finding the Fourth Proportional to 487,009,801.60, 730,765,857.61 and 228,251,309.92

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Solution

The fourth proportional to 487,009,801.60, 730,765,857.61 and 228,251,309.92 is: 342,494,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,009,801.60 : 730,765,857.61 = 228,251,309.92 : x
  2. Step 2: Convert to fraction form
    487,009,801.60/730,765,857.61 = 228,251,309.92/x
  3. Step 3: Cross multiply
    487,009,801.60x = 730,765,857.61 × 228,251,309.92
  4. Step 4: Simplify right side
    487,009,801.60x = 166,798,264,244,294,688
  5. Step 5: Solve for x
    x = 166,798,264,244,294,688/487,009,801.60
  6. Step 6: Final answer
    x = 342,494,676.07

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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.