Home / 855,808,243.20-1,181,020,089.60-464,667,667.20

Finding the Fourth Proportional to 855,808,243.20, 1,181,020,089.60 and 464,667,667.20

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Solution

The fourth proportional to 855,808,243.20, 1,181,020,089.60 and 464,667,667.20 is: 641,243,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,808,243.20 : 1,181,020,089.60 = 464,667,667.20 : x
  2. Step 2: Convert to fraction form
    855,808,243.20/1,181,020,089.60 = 464,667,667.20/x
  3. Step 3: Cross multiply
    855,808,243.20x = 1,181,020,089.60 × 464,667,667.20
  4. Step 4: Simplify right side
    855,808,243.20x = 548,781,849,950,766,912
  5. Step 5: Solve for x
    x = 548,781,849,950,766,912/855,808,243.20
  6. Step 6: Final answer
    x = 641,243,940.23

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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.