Home / 842,796,568.46-1,261,676,106.65-509,795,814.44

Finding the Fourth Proportional to 842,796,568.46, 1,261,676,106.65 and 509,795,814.44

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Solution

The fourth proportional to 842,796,568.46, 1,261,676,106.65 and 509,795,814.44 is: 763,170,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,796,568.46 : 1,261,676,106.65 = 509,795,814.44 : x
  2. Step 2: Convert to fraction form
    842,796,568.46/1,261,676,106.65 = 509,795,814.44/x
  3. Step 3: Cross multiply
    842,796,568.46x = 1,261,676,106.65 × 509,795,814.44
  4. Step 4: Simplify right side
    842,796,568.46x = 643,197,198,349,125,120
  5. Step 5: Solve for x
    x = 643,197,198,349,125,120/842,796,568.46
  6. Step 6: Final answer
    x = 763,170,167.53

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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.