Home / 321,376,022,789.89-443,498,983,841.01-176,860,152,484.20

Finding the Fourth Proportional to 321,376,022,789.89, 443,498,983,841.01 and 176,860,152,484.20

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Solution

The fourth proportional to 321,376,022,789.89, 443,498,983,841.01 and 176,860,152,484.20 is: 244,067,050,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,376,022,789.89 : 443,498,983,841.01 = 176,860,152,484.20 : x
  2. Step 2: Convert to fraction form
    321,376,022,789.89/443,498,983,841.01 = 176,860,152,484.20/x
  3. Step 3: Cross multiply
    321,376,022,789.89x = 443,498,983,841.01 × 176,860,152,484.20
  4. Step 4: Simplify right side
    321,376,022,789.89x = 78,437,297,908,708,783,685,632
  5. Step 5: Solve for x
    x = 78,437,297,908,708,783,685,632/321,376,022,789.89
  6. Step 6: Final answer
    x = 244,067,050,266.50

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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.