Home / 55,304,621,729.39-76,319,565,757.62-30,890,388,257.90

Finding the Fourth Proportional to 55,304,621,729.39, 76,319,565,757.62 and 30,890,388,257.90

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Solution

The fourth proportional to 55,304,621,729.39, 76,319,565,757.62 and 30,890,388,257.90 is: 42,628,282,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304,621,729.39 : 76,319,565,757.62 = 30,890,388,257.90 : x
  2. Step 2: Convert to fraction form
    55,304,621,729.39/76,319,565,757.62 = 30,890,388,257.90/x
  3. Step 3: Cross multiply
    55,304,621,729.39x = 76,319,565,757.62 × 30,890,388,257.90
  4. Step 4: Simplify right side
    55,304,621,729.39x = 2,357,541,017,927,211,810,816
  5. Step 5: Solve for x
    x = 2,357,541,017,927,211,810,816/55,304,621,729.39
  6. Step 6: Final answer
    x = 42,628,282,125.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.