Home / 413,359,871.39-619,824,511.97-194,951,570.72

Finding the Fourth Proportional to 413,359,871.39, 619,824,511.97 and 194,951,570.72

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Solution

The fourth proportional to 413,359,871.39, 619,824,511.97 and 194,951,570.72 is: 292,325,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,359,871.39 : 619,824,511.97 = 194,951,570.72 : x
  2. Step 2: Convert to fraction form
    413,359,871.39/619,824,511.97 = 194,951,570.72/x
  3. Step 3: Cross multiply
    413,359,871.39x = 619,824,511.97 × 194,951,570.72
  4. Step 4: Simplify right side
    413,359,871.39x = 120,835,762,175,966,128
  5. Step 5: Solve for x
    x = 120,835,762,175,966,128/413,359,871.39
  6. Step 6: Final answer
    x = 292,325,817.14

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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.