Home / 417,485,953.78-576,230,956.53-238,973,323.42

Finding the Fourth Proportional to 417,485,953.78, 576,230,956.53 and 238,973,323.42

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Solution

The fourth proportional to 417,485,953.78, 576,230,956.53 and 238,973,323.42 is: 329,840,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,485,953.78 : 576,230,956.53 = 238,973,323.42 : x
  2. Step 2: Convert to fraction form
    417,485,953.78/576,230,956.53 = 238,973,323.42/x
  3. Step 3: Cross multiply
    417,485,953.78x = 576,230,956.53 × 238,973,323.42
  4. Step 4: Simplify right side
    417,485,953.78x = 137,703,826,739,459,632
  5. Step 5: Solve for x
    x = 137,703,826,739,459,632/417,485,953.78
  6. Step 6: Final answer
    x = 329,840,622.16

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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.