Home / 272,630,464,282.20-408,945,696,423.30-131,415,696,041.70

Finding the Fourth Proportional to 272,630,464,282.20, 408,945,696,423.30 and 131,415,696,041.70

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Solution

The fourth proportional to 272,630,464,282.20, 408,945,696,423.30 and 131,415,696,041.70 is: 197,123,544,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,630,464,282.20 : 408,945,696,423.30 = 131,415,696,041.70 : x
  2. Step 2: Convert to fraction form
    272,630,464,282.20/408,945,696,423.30 = 131,415,696,041.70/x
  3. Step 3: Cross multiply
    272,630,464,282.20x = 408,945,696,423.30 × 131,415,696,041.70
  4. Step 4: Simplify right side
    272,630,464,282.20x = 53,741,883,338,725,712,199,680
  5. Step 5: Solve for x
    x = 53,741,883,338,725,712,199,680/272,630,464,282.20
  6. Step 6: Final answer
    x = 197,123,544,062.55

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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.