Home / 489,498,173.16-734,031,796.47-259,413,351

Finding the Fourth Proportional to 489,498,173.16, 734,031,796.47 and 259,413,351

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Solution

The fourth proportional to 489,498,173.16, 734,031,796.47 and 259,413,351 is: 389,005,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,498,173.16 : 734,031,796.47 = 259,413,351 : x
  2. Step 2: Convert to fraction form
    489,498,173.16/734,031,796.47 = 259,413,351/x
  3. Step 3: Cross multiply
    489,498,173.16x = 734,031,796.47 × 259,413,351
  4. Step 4: Simplify right side
    489,498,173.16x = 190,417,648,062,832,672
  5. Step 5: Solve for x
    x = 190,417,648,062,832,672/489,498,173.16
  6. Step 6: Final answer
    x = 389,005,840.07

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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.