Home / 630,499,453,960.62-945,870,859,685.24-205,913,573,945.58

Finding the Fourth Proportional to 630,499,453,960.62, 945,870,859,685.24 and 205,913,573,945.58

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Solution

The fourth proportional to 630,499,453,960.62, 945,870,859,685.24 and 205,913,573,945.58 is: 308,910,099,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,499,453,960.62 : 945,870,859,685.24 = 205,913,573,945.58 : x
  2. Step 2: Convert to fraction form
    630,499,453,960.62/945,870,859,685.24 = 205,913,573,945.58/x
  3. Step 3: Cross multiply
    630,499,453,960.62x = 945,870,859,685.24 × 205,913,573,945.58
  4. Step 4: Simplify right side
    630,499,453,960.62x = 194,767,649,208,765,960,421,376
  5. Step 5: Solve for x
    x = 194,767,649,208,765,960,421,376/630,499,453,960.62
  6. Step 6: Final answer
    x = 308,910,099,739.64

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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.