Home / 647,198,845.10-970,798,267.65-187,152,022.70

Finding the Fourth Proportional to 647,198,845.10, 970,798,267.65 and 187,152,022.70

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Solution

The fourth proportional to 647,198,845.10, 970,798,267.65 and 187,152,022.70 is: 280,728,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,198,845.10 : 970,798,267.65 = 187,152,022.70 : x
  2. Step 2: Convert to fraction form
    647,198,845.10/970,798,267.65 = 187,152,022.70/x
  3. Step 3: Cross multiply
    647,198,845.10x = 970,798,267.65 × 187,152,022.70
  4. Step 4: Simplify right side
    647,198,845.10x = 181,686,859,424,353,472
  5. Step 5: Solve for x
    x = 181,686,859,424,353,472/647,198,845.10
  6. Step 6: Final answer
    x = 280,728,034.05

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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.