Home / 315,028,230.20-471,692,039.70-247,003,782.20

Finding the Fourth Proportional to 315,028,230.20, 471,692,039.70 and 247,003,782.20

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Solution

The fourth proportional to 315,028,230.20, 471,692,039.70 and 247,003,782.20 is: 369,838,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,028,230.20 : 471,692,039.70 = 247,003,782.20 : x
  2. Step 2: Convert to fraction form
    315,028,230.20/471,692,039.70 = 247,003,782.20/x
  3. Step 3: Cross multiply
    315,028,230.20x = 471,692,039.70 × 247,003,782.20
  4. Step 4: Simplify right side
    315,028,230.20x = 116,509,717,839,532,544
  5. Step 5: Solve for x
    x = 116,509,717,839,532,544/315,028,230.20
  6. Step 6: Final answer
    x = 369,838,975.27

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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.