Home / 624,246,790.67-860,770,372.61-397,827,274.47

Finding the Fourth Proportional to 624,246,790.67, 860,770,372.61 and 397,827,274.47

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Solution

The fourth proportional to 624,246,790.67, 860,770,372.61 and 397,827,274.47 is: 548,561,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,246,790.67 : 860,770,372.61 = 397,827,274.47 : x
  2. Step 2: Convert to fraction form
    624,246,790.67/860,770,372.61 = 397,827,274.47/x
  3. Step 3: Cross multiply
    624,246,790.67x = 860,770,372.61 × 397,827,274.47
  4. Step 4: Simplify right side
    624,246,790.67x = 342,437,931,277,973,568
  5. Step 5: Solve for x
    x = 342,437,931,277,973,568/624,246,790.67
  6. Step 6: Final answer
    x = 548,561,781.01

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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.