Home / 412,928,544.89-619,376,019.27-102,028,331.34

Finding the Fourth Proportional to 412,928,544.89, 619,376,019.27 and 102,028,331.34

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Solution

The fourth proportional to 412,928,544.89, 619,376,019.27 and 102,028,331.34 is: 153,038,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,928,544.89 : 619,376,019.27 = 102,028,331.34 : x
  2. Step 2: Convert to fraction form
    412,928,544.89/619,376,019.27 = 102,028,331.34/x
  3. Step 3: Cross multiply
    412,928,544.89x = 619,376,019.27 × 102,028,331.34
  4. Step 4: Simplify right side
    412,928,544.89x = 63,193,901,718,129,784
  5. Step 5: Solve for x
    x = 63,193,901,718,129,784/412,928,544.89
  6. Step 6: Final answer
    x = 153,038,346.47

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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.