Home / 774,507,439.65-1,162,104,234.19-405,954,803.81

Finding the Fourth Proportional to 774,507,439.65, 1,162,104,234.19 and 405,954,803.81

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Solution

The fourth proportional to 774,507,439.65, 1,162,104,234.19 and 405,954,803.81 is: 609,112,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,507,439.65 : 1,162,104,234.19 = 405,954,803.81 : x
  2. Step 2: Convert to fraction form
    774,507,439.65/1,162,104,234.19 = 405,954,803.81/x
  3. Step 3: Cross multiply
    774,507,439.65x = 1,162,104,234.19 × 405,954,803.81
  4. Step 4: Simplify right side
    774,507,439.65x = 471,761,796,399,262,144
  5. Step 5: Solve for x
    x = 471,761,796,399,262,144/774,507,439.65
  6. Step 6: Final answer
    x = 609,112,026.88

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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.