Home / 426,561,175.26-639,809,852.10-153,931,932.54

Finding the Fourth Proportional to 426,561,175.26, 639,809,852.10 and 153,931,932.54

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Solution

The fourth proportional to 426,561,175.26, 639,809,852.10 and 153,931,932.54 is: 230,886,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,561,175.26 : 639,809,852.10 = 153,931,932.54 : x
  2. Step 2: Convert to fraction form
    426,561,175.26/639,809,852.10 = 153,931,932.54/x
  3. Step 3: Cross multiply
    426,561,175.26x = 639,809,852.10 × 153,931,932.54
  4. Step 4: Simplify right side
    426,561,175.26x = 98,487,166,991,884,576
  5. Step 5: Solve for x
    x = 98,487,166,991,884,576/426,561,175.26
  6. Step 6: Final answer
    x = 230,886,383.25

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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.