Home / 381,961,630,980.12-527,108,689,484.84-208,350,553,834.76

Finding the Fourth Proportional to 381,961,630,980.12, 527,108,689,484.84 and 208,350,553,834.76

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Solution

The fourth proportional to 381,961,630,980.12, 527,108,689,484.84 and 208,350,553,834.76 is: 287,524,658,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,961,630,980.12 : 527,108,689,484.84 = 208,350,553,834.76 : x
  2. Step 2: Convert to fraction form
    381,961,630,980.12/527,108,689,484.84 = 208,350,553,834.76/x
  3. Step 3: Cross multiply
    381,961,630,980.12x = 527,108,689,484.84 × 208,350,553,834.76
  4. Step 4: Simplify right side
    381,961,630,980.12x = 109,823,387,385,280,952,532,992
  5. Step 5: Solve for x
    x = 109,823,387,385,280,952,532,992/381,961,630,980.12
  6. Step 6: Final answer
    x = 287,524,658,179.60

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1.5x scale

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.