Home / 357,356,772.58-493,164,307.60-198,593,586.82

Finding the Fourth Proportional to 357,356,772.58, 493,164,307.60 and 198,593,586.82

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Solution

The fourth proportional to 357,356,772.58, 493,164,307.60 and 198,593,586.82 is: 274,065,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,356,772.58 : 493,164,307.60 = 198,593,586.82 : x
  2. Step 2: Convert to fraction form
    357,356,772.58/493,164,307.60 = 198,593,586.82/x
  3. Step 3: Cross multiply
    357,356,772.58x = 493,164,307.60 × 198,593,586.82
  4. Step 4: Simplify right side
    357,356,772.58x = 97,939,268,737,885,792
  5. Step 5: Solve for x
    x = 97,939,268,737,885,792/357,356,772.58
  6. Step 6: Final answer
    x = 274,065,797.13

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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.