Home / 489,396,793.48-734,075,281.44-120,922,466.32

Finding the Fourth Proportional to 489,396,793.48, 734,075,281.44 and 120,922,466.32

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Solution

The fourth proportional to 489,396,793.48, 734,075,281.44 and 120,922,466.32 is: 181,378,780.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,396,793.48 : 734,075,281.44 = 120,922,466.32 : x
  2. Step 2: Convert to fraction form
    489,396,793.48/734,075,281.44 = 120,922,466.32/x
  3. Step 3: Cross multiply
    489,396,793.48x = 734,075,281.44 × 120,922,466.32
  4. Step 4: Simplify right side
    489,396,793.48x = 88,766,193,496,272,928
  5. Step 5: Solve for x
    x = 88,766,193,496,272,928/489,396,793.48
  6. Step 6: Final answer
    x = 181,378,780.32

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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.