Home / 435,528,060.70-653,292,091.05-281,339,311.90

Finding the Fourth Proportional to 435,528,060.70, 653,292,091.05 and 281,339,311.90

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Solution

The fourth proportional to 435,528,060.70, 653,292,091.05 and 281,339,311.90 is: 422,008,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,528,060.70 : 653,292,091.05 = 281,339,311.90 : x
  2. Step 2: Convert to fraction form
    435,528,060.70/653,292,091.05 = 281,339,311.90/x
  3. Step 3: Cross multiply
    435,528,060.70x = 653,292,091.05 × 281,339,311.90
  4. Step 4: Simplify right side
    435,528,060.70x = 183,796,747,365,719,104
  5. Step 5: Solve for x
    x = 183,796,747,365,719,104/435,528,060.70
  6. Step 6: Final answer
    x = 422,008,967.85

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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.