Home / 559,819,842.57-839,726,774.37-145,296,360.72

Finding the Fourth Proportional to 559,819,842.57, 839,726,774.37 and 145,296,360.72

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Solution

The fourth proportional to 559,819,842.57, 839,726,774.37 and 145,296,360.72 is: 217,943,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,819,842.57 : 839,726,774.37 = 145,296,360.72 : x
  2. Step 2: Convert to fraction form
    559,819,842.57/839,726,774.37 = 145,296,360.72/x
  3. Step 3: Cross multiply
    559,819,842.57x = 839,726,774.37 × 145,296,360.72
  4. Step 4: Simplify right side
    559,819,842.57x = 122,009,244,315,105,568
  5. Step 5: Solve for x
    x = 122,009,244,315,105,568/559,819,842.57
  6. Step 6: Final answer
    x = 217,943,765.19

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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.