Home / 773,103,438.63-1,066,873,777.20-420,673,357.17

Finding the Fourth Proportional to 773,103,438.63, 1,066,873,777.20 and 420,673,357.17

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Solution

The fourth proportional to 773,103,438.63, 1,066,873,777.20 and 420,673,357.17 is: 580,524,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,103,438.63 : 1,066,873,777.20 = 420,673,357.17 : x
  2. Step 2: Convert to fraction form
    773,103,438.63/1,066,873,777.20 = 420,673,357.17/x
  3. Step 3: Cross multiply
    773,103,438.63x = 1,066,873,777.20 × 420,673,357.17
  4. Step 4: Simplify right side
    773,103,438.63x = 448,805,373,531,362,624
  5. Step 5: Solve for x
    x = 448,805,373,531,362,624/773,103,438.63
  6. Step 6: Final answer
    x = 580,524,353.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.