Home / 619,400,411.70-929,100,617.55-343,901,397.30

Finding the Fourth Proportional to 619,400,411.70, 929,100,617.55 and 343,901,397.30

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Solution

The fourth proportional to 619,400,411.70, 929,100,617.55 and 343,901,397.30 is: 515,852,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,400,411.70 : 929,100,617.55 = 343,901,397.30 : x
  2. Step 2: Convert to fraction form
    619,400,411.70/929,100,617.55 = 343,901,397.30/x
  3. Step 3: Cross multiply
    619,400,411.70x = 929,100,617.55 × 343,901,397.30
  4. Step 4: Simplify right side
    619,400,411.70x = 319,519,000,607,737,920
  5. Step 5: Solve for x
    x = 319,519,000,607,737,920/619,400,411.70
  6. Step 6: Final answer
    x = 515,852,095.95

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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.