Home / 215,780,256.60-323,670,384.90-214,436,563.80

Finding the Fourth Proportional to 215,780,256.60, 323,670,384.90 and 214,436,563.80

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Solution

The fourth proportional to 215,780,256.60, 323,670,384.90 and 214,436,563.80 is: 321,654,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,780,256.60 : 323,670,384.90 = 214,436,563.80 : x
  2. Step 2: Convert to fraction form
    215,780,256.60/323,670,384.90 = 214,436,563.80/x
  3. Step 3: Cross multiply
    215,780,256.60x = 323,670,384.90 × 214,436,563.80
  4. Step 4: Simplify right side
    215,780,256.60x = 69,406,765,141,779,408
  5. Step 5: Solve for x
    x = 69,406,765,141,779,408/215,780,256.60
  6. Step 6: Final answer
    x = 321,654,845.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.