Home / 774,507,440.65-1,162,104,235.69-405,954,804.81

Finding the Fourth Proportional to 774,507,440.65, 1,162,104,235.69 and 405,954,804.81

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Solution

The fourth proportional to 774,507,440.65, 1,162,104,235.69 and 405,954,804.81 is: 609,112,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,507,440.65 : 1,162,104,235.69 = 405,954,804.81 : x
  2. Step 2: Convert to fraction form
    774,507,440.65/1,162,104,235.69 = 405,954,804.81/x
  3. Step 3: Cross multiply
    774,507,440.65x = 1,162,104,235.69 × 405,954,804.81
  4. Step 4: Simplify right side
    774,507,440.65x = 471,761,798,168,408,192
  5. Step 5: Solve for x
    x = 471,761,798,168,408,192/774,507,440.65
  6. Step 6: Final answer
    x = 609,112,028.38

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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.