Home / 766,351,817.64-1,058,024,908.62-502,494,099.72

Finding the Fourth Proportional to 766,351,817.64, 1,058,024,908.62 and 502,494,099.72

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Solution

The fourth proportional to 766,351,817.64, 1,058,024,908.62 and 502,494,099.72 is: 693,743,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,351,817.64 : 1,058,024,908.62 = 502,494,099.72 : x
  2. Step 2: Convert to fraction form
    766,351,817.64/1,058,024,908.62 = 502,494,099.72/x
  3. Step 3: Cross multiply
    766,351,817.64x = 1,058,024,908.62 × 502,494,099.72
  4. Step 4: Simplify right side
    766,351,817.64x = 531,651,273,938,342,208
  5. Step 5: Solve for x
    x = 531,651,273,938,342,208/766,351,817.64
  6. Step 6: Final answer
    x = 693,743,084.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.