Home / 628,614,458.06-943,067,584.53-214,094,870.57

Finding the Fourth Proportional to 628,614,458.06, 943,067,584.53 and 214,094,870.57

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Solution

The fourth proportional to 628,614,458.06, 943,067,584.53 and 214,094,870.57 is: 321,191,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,614,458.06 : 943,067,584.53 = 214,094,870.57 : x
  2. Step 2: Convert to fraction form
    628,614,458.06/943,067,584.53 = 214,094,870.57/x
  3. Step 3: Cross multiply
    628,614,458.06x = 943,067,584.53 × 214,094,870.57
  4. Step 4: Simplify right side
    628,614,458.06x = 201,905,932,451,070,528
  5. Step 5: Solve for x
    x = 201,905,932,451,070,528/628,614,458.06
  6. Step 6: Final answer
    x = 321,191,995.93

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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.