Home / 836,817,964.85-1,255,408,550.65-254,537,076.77

Finding the Fourth Proportional to 836,817,964.85, 1,255,408,550.65 and 254,537,076.77

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Solution

The fourth proportional to 836,817,964.85, 1,255,408,550.65 and 254,537,076.77 is: 381,860,853.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,817,964.85 : 1,255,408,550.65 = 254,537,076.77 : x
  2. Step 2: Convert to fraction form
    836,817,964.85/1,255,408,550.65 = 254,537,076.77/x
  3. Step 3: Cross multiply
    836,817,964.85x = 1,255,408,550.65 × 254,537,076.77
  4. Step 4: Simplify right side
    836,817,964.85x = 319,548,022,635,352,000
  5. Step 5: Solve for x
    x = 319,548,022,635,352,000/836,817,964.85
  6. Step 6: Final answer
    x = 381,860,853.92

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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.