Home / 259,921,044.90-389,881,567.35-252,362,772.90

Finding the Fourth Proportional to 259,921,044.90, 389,881,567.35 and 252,362,772.90

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Solution

The fourth proportional to 259,921,044.90, 389,881,567.35 and 252,362,772.90 is: 378,544,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,921,044.90 : 389,881,567.35 = 252,362,772.90 : x
  2. Step 2: Convert to fraction form
    259,921,044.90/389,881,567.35 = 252,362,772.90/x
  3. Step 3: Cross multiply
    259,921,044.90x = 389,881,567.35 × 252,362,772.90
  4. Step 4: Simplify right side
    259,921,044.90x = 98,391,593,439,044,112
  5. Step 5: Solve for x
    x = 98,391,593,439,044,112/259,921,044.90
  6. Step 6: Final answer
    x = 378,544,159.35

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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.