Home / 672,074,413.80-1,008,036,971.10-550,694,164.20

Finding the Fourth Proportional to 672,074,413.80, 1,008,036,971.10 and 550,694,164.20

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Solution

The fourth proportional to 672,074,413.80, 1,008,036,971.10 and 550,694,164.20 is: 825,980,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,074,413.80 : 1,008,036,971.10 = 550,694,164.20 : x
  2. Step 2: Convert to fraction form
    672,074,413.80/1,008,036,971.10 = 550,694,164.20/x
  3. Step 3: Cross multiply
    672,074,413.80x = 1,008,036,971.10 × 550,694,164.20
  4. Step 4: Simplify right side
    672,074,413.80x = 555,120,077,282,614,144
  5. Step 5: Solve for x
    x = 555,120,077,282,614,144/672,074,413.80
  6. Step 6: Final answer
    x = 825,980,078.82

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Double scale
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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.