Home / 307,425,515.70-461,138,273.55-277,771,107.90

Finding the Fourth Proportional to 307,425,515.70, 461,138,273.55 and 277,771,107.90

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Solution

The fourth proportional to 307,425,515.70, 461,138,273.55 and 277,771,107.90 is: 416,656,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,425,515.70 : 461,138,273.55 = 277,771,107.90 : x
  2. Step 2: Convert to fraction form
    307,425,515.70/461,138,273.55 = 277,771,107.90/x
  3. Step 3: Cross multiply
    307,425,515.70x = 461,138,273.55 × 277,771,107.90
  4. Step 4: Simplify right side
    307,425,515.70x = 128,090,889,139,076,752
  5. Step 5: Solve for x
    x = 128,090,889,139,076,752/307,425,515.70
  6. Step 6: Final answer
    x = 416,656,661.85

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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.