Home / 520,510,958.45-718,305,069.27-294,445,112.48

Finding the Fourth Proportional to 520,510,958.45, 718,305,069.27 and 294,445,112.48

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Solution

The fourth proportional to 520,510,958.45, 718,305,069.27 and 294,445,112.48 is: 406,334,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,510,958.45 : 718,305,069.27 = 294,445,112.48 : x
  2. Step 2: Convert to fraction form
    520,510,958.45/718,305,069.27 = 294,445,112.48/x
  3. Step 3: Cross multiply
    520,510,958.45x = 718,305,069.27 × 294,445,112.48
  4. Step 4: Simplify right side
    520,510,958.45x = 211,501,416,916,159,360
  5. Step 5: Solve for x
    x = 211,501,416,916,159,360/520,510,958.45
  6. Step 6: Final answer
    x = 406,334,225.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.