Home / 328,747,289.04-453,452,761.44-211,421,037.60

Finding the Fourth Proportional to 328,747,289.04, 453,452,761.44 and 211,421,037.60

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Solution

The fourth proportional to 328,747,289.04, 453,452,761.44 and 211,421,037.60 is: 291,620,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,747,289.04 : 453,452,761.44 = 211,421,037.60 : x
  2. Step 2: Convert to fraction form
    328,747,289.04/453,452,761.44 = 211,421,037.60/x
  3. Step 3: Cross multiply
    328,747,289.04x = 453,452,761.44 × 211,421,037.60
  4. Step 4: Simplify right side
    328,747,289.04x = 95,869,453,326,230,064
  5. Step 5: Solve for x
    x = 95,869,453,326,230,064/328,747,289.04
  6. Step 6: Final answer
    x = 291,620,513.76

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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.