Home / 538,223,906.64-807,523,218.36-169,815,740.88

Finding the Fourth Proportional to 538,223,906.64, 807,523,218.36 and 169,815,740.88

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Solution

The fourth proportional to 538,223,906.64, 807,523,218.36 and 169,815,740.88 is: 254,782,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,223,906.64 : 807,523,218.36 = 169,815,740.88 : x
  2. Step 2: Convert to fraction form
    538,223,906.64/807,523,218.36 = 169,815,740.88/x
  3. Step 3: Cross multiply
    538,223,906.64x = 807,523,218.36 × 169,815,740.88
  4. Step 4: Simplify right side
    538,223,906.64x = 137,130,153,603,605,424
  5. Step 5: Solve for x
    x = 137,130,153,603,605,424/538,223,906.64
  6. Step 6: Final answer
    x = 254,782,725.02

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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.