Home / 503,576,039.40-755,364,059.10-298,998,810.60

Finding the Fourth Proportional to 503,576,039.40, 755,364,059.10 and 298,998,810.60

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Solution

The fourth proportional to 503,576,039.40, 755,364,059.10 and 298,998,810.60 is: 448,498,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,576,039.40 : 755,364,059.10 = 298,998,810.60 : x
  2. Step 2: Convert to fraction form
    503,576,039.40/755,364,059.10 = 298,998,810.60/x
  3. Step 3: Cross multiply
    503,576,039.40x = 755,364,059.10 × 298,998,810.60
  4. Step 4: Simplify right side
    503,576,039.40x = 225,852,955,240,888,128
  5. Step 5: Solve for x
    x = 225,852,955,240,888,128/503,576,039.40
  6. Step 6: Final answer
    x = 448,498,215.90

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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.