Home / 285,121,650.33-426,959,047.98-238,942,084.59

Finding the Fourth Proportional to 285,121,650.33, 426,959,047.98 and 238,942,084.59

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Solution

The fourth proportional to 285,121,650.33, 426,959,047.98 and 238,942,084.59 is: 357,806,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,121,650.33 : 426,959,047.98 = 238,942,084.59 : x
  2. Step 2: Convert to fraction form
    285,121,650.33/426,959,047.98 = 238,942,084.59/x
  3. Step 3: Cross multiply
    285,121,650.33x = 426,959,047.98 × 238,942,084.59
  4. Step 4: Simplify right side
    285,121,650.33x = 102,018,484,958,903,040
  5. Step 5: Solve for x
    x = 102,018,484,958,903,040/285,121,650.33
  6. Step 6: Final answer
    x = 357,806,868.90

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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.