Home / 634,273,584.06-875,286,806.37-355,809,128.88

Finding the Fourth Proportional to 634,273,584.06, 875,286,806.37 and 355,809,128.88

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Solution

The fourth proportional to 634,273,584.06, 875,286,806.37 and 355,809,128.88 is: 491,010,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,273,584.06 : 875,286,806.37 = 355,809,128.88 : x
  2. Step 2: Convert to fraction form
    634,273,584.06/875,286,806.37 = 355,809,128.88/x
  3. Step 3: Cross multiply
    634,273,584.06x = 875,286,806.37 × 355,809,128.88
  4. Step 4: Simplify right side
    634,273,584.06x = 311,435,036,094,666,944
  5. Step 5: Solve for x
    x = 311,435,036,094,666,944/634,273,584.06
  6. Step 6: Final answer
    x = 491,010,573.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.