Home / 547,286,976.60-819,785,837.70-256,402,368.60

Finding the Fourth Proportional to 547,286,976.60, 819,785,837.70 and 256,402,368.60

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Solution

The fourth proportional to 547,286,976.60, 819,785,837.70 and 256,402,368.60 is: 384,067,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,286,976.60 : 819,785,837.70 = 256,402,368.60 : x
  2. Step 2: Convert to fraction form
    547,286,976.60/819,785,837.70 = 256,402,368.60/x
  3. Step 3: Cross multiply
    547,286,976.60x = 819,785,837.70 × 256,402,368.60
  4. Step 4: Simplify right side
    547,286,976.60x = 210,195,030,531,015,168
  5. Step 5: Solve for x
    x = 210,195,030,531,015,168/547,286,976.60
  6. Step 6: Final answer
    x = 384,067,298.36

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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.