Home / 275,425,320.40-413,137,980.60-259,641,522.70

Finding the Fourth Proportional to 275,425,320.40, 413,137,980.60 and 259,641,522.70

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Solution

The fourth proportional to 275,425,320.40, 413,137,980.60 and 259,641,522.70 is: 389,462,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,425,320.40 : 413,137,980.60 = 259,641,522.70 : x
  2. Step 2: Convert to fraction form
    275,425,320.40/413,137,980.60 = 259,641,522.70/x
  3. Step 3: Cross multiply
    275,425,320.40x = 413,137,980.60 × 259,641,522.70
  4. Step 4: Simplify right side
    275,425,320.40x = 107,267,774,368,187,056
  5. Step 5: Solve for x
    x = 107,267,774,368,187,056/275,425,320.40
  6. Step 6: Final answer
    x = 389,462,284.05

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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.