Home / 487,009,799.10-730,765,853.86-228,251,307.42

Finding the Fourth Proportional to 487,009,799.10, 730,765,853.86 and 228,251,307.42

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Solution

The fourth proportional to 487,009,799.10, 730,765,853.86 and 228,251,307.42 is: 342,494,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,009,799.10 : 730,765,853.86 = 228,251,307.42 : x
  2. Step 2: Convert to fraction form
    487,009,799.10/730,765,853.86 = 228,251,307.42/x
  3. Step 3: Cross multiply
    487,009,799.10x = 730,765,853.86 × 228,251,307.42
  4. Step 4: Simplify right side
    487,009,799.10x = 166,798,261,557,783,808
  5. Step 5: Solve for x
    x = 166,798,261,557,783,808/487,009,799.10
  6. Step 6: Final answer
    x = 342,494,672.32

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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.