Home / 286,827,352.20-430,241,028.30-262,912,507.20

Finding the Fourth Proportional to 286,827,352.20, 430,241,028.30 and 262,912,507.20

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Solution

The fourth proportional to 286,827,352.20, 430,241,028.30 and 262,912,507.20 is: 394,368,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,827,352.20 : 430,241,028.30 = 262,912,507.20 : x
  2. Step 2: Convert to fraction form
    286,827,352.20/430,241,028.30 = 262,912,507.20/x
  3. Step 3: Cross multiply
    286,827,352.20x = 430,241,028.30 × 262,912,507.20
  4. Step 4: Simplify right side
    286,827,352.20x = 113,115,747,450,659,152
  5. Step 5: Solve for x
    x = 113,115,747,450,659,152/286,827,352.20
  6. Step 6: Final answer
    x = 394,368,760.80

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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.