Home / 774,507,796.40-1,162,104,768.12-405,955,159.76

Finding the Fourth Proportional to 774,507,796.40, 1,162,104,768.12 and 405,955,159.76

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Solution

The fourth proportional to 774,507,796.40, 1,162,104,768.12 and 405,955,159.76 is: 609,112,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,507,796.40 : 1,162,104,768.12 = 405,955,159.76 : x
  2. Step 2: Convert to fraction form
    774,507,796.40/1,162,104,768.12 = 405,955,159.76/x
  3. Step 3: Cross multiply
    774,507,796.40x = 1,162,104,768.12 × 405,955,159.76
  4. Step 4: Simplify right side
    774,507,796.40x = 471,762,426,800,012,288
  5. Step 5: Solve for x
    x = 471,762,426,800,012,288/774,507,796.40
  6. Step 6: Final answer
    x = 609,112,560.25

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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.