Home / 368,800,903.60-508,974,259.26-210,037,739.56

Finding the Fourth Proportional to 368,800,903.60, 508,974,259.26 and 210,037,739.56

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Solution

The fourth proportional to 368,800,903.60, 508,974,259.26 and 210,037,739.56 is: 289,868,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,800,903.60 : 508,974,259.26 = 210,037,739.56 : x
  2. Step 2: Convert to fraction form
    368,800,903.60/508,974,259.26 = 210,037,739.56/x
  3. Step 3: Cross multiply
    368,800,903.60x = 508,974,259.26 × 210,037,739.56
  4. Step 4: Simplify right side
    368,800,903.60x = 106,903,802,909,195,792
  5. Step 5: Solve for x
    x = 106,903,802,909,195,792/368,800,903.60
  6. Step 6: Final answer
    x = 289,868,603.54

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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.