Home / 669,078,273,781.98-1,003,616,157,915.70-209,648,115,306.42

Finding the Fourth Proportional to 669,078,273,781.98, 1,003,616,157,915.70 and 209,648,115,306.42

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Solution

The fourth proportional to 669,078,273,781.98, 1,003,616,157,915.70 and 209,648,115,306.42 is: 314,471,780,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,078,273,781.98 : 1,003,616,157,915.70 = 209,648,115,306.42 : x
  2. Step 2: Convert to fraction form
    669,078,273,781.98/1,003,616,157,915.70 = 209,648,115,306.42/x
  3. Step 3: Cross multiply
    669,078,273,781.98x = 1,003,616,157,915.70 × 209,648,115,306.42
  4. Step 4: Simplify right side
    669,078,273,781.98x = 210,406,235,998,096,912,809,984
  5. Step 5: Solve for x
    x = 210,406,235,998,096,912,809,984/669,078,273,781.98
  6. Step 6: Final answer
    x = 314,471,780,422.30

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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.