Home / 513,943,202.64-770,944,707.54-145,447,327.92

Finding the Fourth Proportional to 513,943,202.64, 770,944,707.54 and 145,447,327.92

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Solution

The fourth proportional to 513,943,202.64, 770,944,707.54 and 145,447,327.92 is: 218,179,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,943,202.64 : 770,944,707.54 = 145,447,327.92 : x
  2. Step 2: Convert to fraction form
    513,943,202.64/770,944,707.54 = 145,447,327.92/x
  3. Step 3: Cross multiply
    513,943,202.64x = 770,944,707.54 × 145,447,327.92
  4. Step 4: Simplify right side
    513,943,202.64x = 112,131,847,685,758,864
  5. Step 5: Solve for x
    x = 112,131,847,685,758,864/513,943,202.64
  6. Step 6: Final answer
    x = 218,179,454.67

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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.