Home / 492,641,193.59-679,846,648.15-266,580,178.41

Finding the Fourth Proportional to 492,641,193.59, 679,846,648.15 and 266,580,178.41

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Solution

The fourth proportional to 492,641,193.59, 679,846,648.15 and 266,580,178.41 is: 367,881,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,641,193.59 : 679,846,648.15 = 266,580,178.41 : x
  2. Step 2: Convert to fraction form
    492,641,193.59/679,846,648.15 = 266,580,178.41/x
  3. Step 3: Cross multiply
    492,641,193.59x = 679,846,648.15 × 266,580,178.41
  4. Step 4: Simplify right side
    492,641,193.59x = 181,233,640,756,643,968
  5. Step 5: Solve for x
    x = 181,233,640,756,643,968/492,641,193.59
  6. Step 6: Final answer
    x = 367,881,620.77

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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.