Home / 368,800,909.60-508,974,267.54-210,037,745.56

Finding the Fourth Proportional to 368,800,909.60, 508,974,267.54 and 210,037,745.56

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Solution

The fourth proportional to 368,800,909.60, 508,974,267.54 and 210,037,745.56 is: 289,868,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,800,909.60 : 508,974,267.54 = 210,037,745.56 : x
  2. Step 2: Convert to fraction form
    368,800,909.60/508,974,267.54 = 210,037,745.56/x
  3. Step 3: Cross multiply
    368,800,909.60x = 508,974,267.54 × 210,037,745.56
  4. Step 4: Simplify right side
    368,800,909.60x = 106,903,807,702,153,888
  5. Step 5: Solve for x
    x = 106,903,807,702,153,888/368,800,909.60
  6. Step 6: Final answer
    x = 289,868,611.82

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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.