Home / 368,800,902.60-508,974,257.88-210,037,738.56

Finding the Fourth Proportional to 368,800,902.60, 508,974,257.88 and 210,037,738.56

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Solution

The fourth proportional to 368,800,902.60, 508,974,257.88 and 210,037,738.56 is: 289,868,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,800,902.60 : 508,974,257.88 = 210,037,738.56 : x
  2. Step 2: Convert to fraction form
    368,800,902.60/508,974,257.88 = 210,037,738.56/x
  3. Step 3: Cross multiply
    368,800,902.60x = 508,974,257.88 × 210,037,738.56
  4. Step 4: Simplify right side
    368,800,902.60x = 106,903,802,110,369,456
  5. Step 5: Solve for x
    x = 106,903,802,110,369,456/368,800,902.60
  6. Step 6: Final answer
    x = 289,868,602.16

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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.