Home / 423,754,190.40-635,652,280.80-219,680,846.40

Finding the Fourth Proportional to 423,754,190.40, 635,652,280.80 and 219,680,846.40

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Solution

The fourth proportional to 423,754,190.40, 635,652,280.80 and 219,680,846.40 is: 329,532,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,754,190.40 : 635,652,280.80 = 219,680,846.40 : x
  2. Step 2: Convert to fraction form
    423,754,190.40/635,652,280.80 = 219,680,846.40/x
  3. Step 3: Cross multiply
    423,754,190.40x = 635,652,280.80 × 219,680,846.40
  4. Step 4: Simplify right side
    423,754,190.40x = 139,640,631,062,234,464
  5. Step 5: Solve for x
    x = 139,640,631,062,234,464/423,754,190.40
  6. Step 6: Final answer
    x = 329,532,153.84

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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.