Home / 528,068,434.80-792,067,222.80-139,882,933.20

Finding the Fourth Proportional to 528,068,434.80, 792,067,222.80 and 139,882,933.20

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Solution

The fourth proportional to 528,068,434.80, 792,067,222.80 and 139,882,933.20 is: 209,815,014.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,068,434.80 : 792,067,222.80 = 139,882,933.20 : x
  2. Step 2: Convert to fraction form
    528,068,434.80/792,067,222.80 = 139,882,933.20/x
  3. Step 3: Cross multiply
    528,068,434.80x = 792,067,222.80 × 139,882,933.20
  4. Step 4: Simplify right side
    528,068,434.80x = 110,796,686,416,841,904
  5. Step 5: Solve for x
    x = 110,796,686,416,841,904/528,068,434.80
  6. Step 6: Final answer
    x = 209,815,014.71

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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.