Home / 440,339,810.60-660,509,715.90-133,631,431.40

Finding the Fourth Proportional to 440,339,810.60, 660,509,715.90 and 133,631,431.40

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Solution

The fourth proportional to 440,339,810.60, 660,509,715.90 and 133,631,431.40 is: 200,447,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,339,810.60 : 660,509,715.90 = 133,631,431.40 : x
  2. Step 2: Convert to fraction form
    440,339,810.60/660,509,715.90 = 133,631,431.40/x
  3. Step 3: Cross multiply
    440,339,810.60x = 660,509,715.90 × 133,631,431.40
  4. Step 4: Simplify right side
    440,339,810.60x = 88,264,858,789,324,336
  5. Step 5: Solve for x
    x = 88,264,858,789,324,336/440,339,810.60
  6. Step 6: Final answer
    x = 200,447,147.10

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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.