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Finding the Fourth Proportional to 290,144,027.20, 435,216,040.80 and 224,387,060.80

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Solution

The fourth proportional to 290,144,027.20, 435,216,040.80 and 224,387,060.80 is: 336,580,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,144,027.20 : 435,216,040.80 = 224,387,060.80 : x
  2. Step 2: Convert to fraction form
    290,144,027.20/435,216,040.80 = 224,387,060.80/x
  3. Step 3: Cross multiply
    290,144,027.20x = 435,216,040.80 × 224,387,060.80
  4. Step 4: Simplify right side
    290,144,027.20x = 97,656,848,208,124,896
  5. Step 5: Solve for x
    x = 97,656,848,208,124,896/290,144,027.20
  6. Step 6: Final answer
    x = 336,580,591.20

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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.