Home / 997,013,003.72-1,494,182,701.62-775,951,281.45

Finding the Fourth Proportional to 997,013,003.72, 1,494,182,701.62 and 775,951,281.45

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Solution

The fourth proportional to 997,013,003.72, 1,494,182,701.62 and 775,951,281.45 is: 1,162,886,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,013,003.72 : 1,494,182,701.62 = 775,951,281.45 : x
  2. Step 2: Convert to fraction form
    997,013,003.72/1,494,182,701.62 = 775,951,281.45/x
  3. Step 3: Cross multiply
    997,013,003.72x = 1,494,182,701.62 × 775,951,281.45
  4. Step 4: Simplify right side
    997,013,003.72x = 1,159,412,982,042,461,952
  5. Step 5: Solve for x
    x = 1,159,412,982,042,461,952/997,013,003.72
  6. Step 6: Final answer
    x = 1,162,886,519.76

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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.