Home / 526,628,305.31-789,843,698.30-264,242,405.57

Finding the Fourth Proportional to 526,628,305.31, 789,843,698.30 and 264,242,405.57

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Solution

The fourth proportional to 526,628,305.31, 789,843,698.30 and 264,242,405.57 is: 396,314,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,628,305.31 : 789,843,698.30 = 264,242,405.57 : x
  2. Step 2: Convert to fraction form
    526,628,305.31/789,843,698.30 = 264,242,405.57/x
  3. Step 3: Cross multiply
    526,628,305.31x = 789,843,698.30 × 264,242,405.57
  4. Step 4: Simplify right side
    526,628,305.31x = 208,710,198,864,532,992
  5. Step 5: Solve for x
    x = 208,710,198,864,532,992/526,628,305.31
  6. Step 6: Final answer
    x = 396,314,054.45

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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.