Home / 425,738,310.40-638,607,465.60-333,905,305.60

Finding the Fourth Proportional to 425,738,310.40, 638,607,465.60 and 333,905,305.60

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Solution

The fourth proportional to 425,738,310.40, 638,607,465.60 and 333,905,305.60 is: 500,857,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,738,310.40 : 638,607,465.60 = 333,905,305.60 : x
  2. Step 2: Convert to fraction form
    425,738,310.40/638,607,465.60 = 333,905,305.60/x
  3. Step 3: Cross multiply
    425,738,310.40x = 638,607,465.60 × 333,905,305.60
  4. Step 4: Simplify right side
    425,738,310.40x = 213,234,420,959,609,504
  5. Step 5: Solve for x
    x = 213,234,420,959,609,504/425,738,310.40
  6. Step 6: Final answer
    x = 500,857,958.40

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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.