Home / 275,425,607.40-413,138,411.10-259,641,809.70

Finding the Fourth Proportional to 275,425,607.40, 413,138,411.10 and 259,641,809.70

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Solution

The fourth proportional to 275,425,607.40, 413,138,411.10 and 259,641,809.70 is: 389,462,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,425,607.40 : 413,138,411.10 = 259,641,809.70 : x
  2. Step 2: Convert to fraction form
    275,425,607.40/413,138,411.10 = 259,641,809.70/x
  3. Step 3: Cross multiply
    275,425,607.40x = 413,138,411.10 × 259,641,809.70
  4. Step 4: Simplify right side
    275,425,607.40x = 107,268,004,714,586,576
  5. Step 5: Solve for x
    x = 107,268,004,714,586,576/275,425,607.40
  6. Step 6: Final answer
    x = 389,462,714.55

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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.