Home / 55,304,621,728.89-76,319,565,756.93-30,890,388,257.40

Finding the Fourth Proportional to 55,304,621,728.89, 76,319,565,756.93 and 30,890,388,257.40

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Solution

The fourth proportional to 55,304,621,728.89, 76,319,565,756.93 and 30,890,388,257.40 is: 42,628,282,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304,621,728.89 : 76,319,565,756.93 = 30,890,388,257.40 : x
  2. Step 2: Convert to fraction form
    55,304,621,728.89/76,319,565,756.93 = 30,890,388,257.40/x
  3. Step 3: Cross multiply
    55,304,621,728.89x = 76,319,565,756.93 × 30,890,388,257.40
  4. Step 4: Simplify right side
    55,304,621,728.89x = 2,357,541,017,867,584,536,576
  5. Step 5: Solve for x
    x = 2,357,541,017,867,584,536,576/55,304,621,728.89
  6. Step 6: Final answer
    x = 42,628,282,124.86

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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.