Home / 520,510,956.45-718,305,066.51-294,445,110.48

Finding the Fourth Proportional to 520,510,956.45, 718,305,066.51 and 294,445,110.48

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Solution

The fourth proportional to 520,510,956.45, 718,305,066.51 and 294,445,110.48 is: 406,334,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,510,956.45 : 718,305,066.51 = 294,445,110.48 : x
  2. Step 2: Convert to fraction form
    520,510,956.45/718,305,066.51 = 294,445,110.48/x
  3. Step 3: Cross multiply
    520,510,956.45x = 718,305,066.51 × 294,445,110.48
  4. Step 4: Simplify right side
    520,510,956.45x = 211,501,414,666,880,704
  5. Step 5: Solve for x
    x = 211,501,414,666,880,704/520,510,956.45
  6. Step 6: Final answer
    x = 406,334,222.26

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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.