Home / 489,498,182.40-734,031,810.36-259,413,360.24

Finding the Fourth Proportional to 489,498,182.40, 734,031,810.36 and 259,413,360.24

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Solution

The fourth proportional to 489,498,182.40, 734,031,810.36 and 259,413,360.24 is: 389,005,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,498,182.40 : 734,031,810.36 = 259,413,360.24 : x
  2. Step 2: Convert to fraction form
    489,498,182.40/734,031,810.36 = 259,413,360.24/x
  3. Step 3: Cross multiply
    489,498,182.40x = 734,031,810.36 × 259,413,360.24
  4. Step 4: Simplify right side
    489,498,182.40x = 190,417,658,448,538,048
  5. Step 5: Solve for x
    x = 190,417,658,448,538,048/489,498,182.40
  6. Step 6: Final answer
    x = 389,005,853.94

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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.