Home / 51,680,851,512.45-77,521,277,268.68-20,228,047,368.45

Finding the Fourth Proportional to 51,680,851,512.45, 77,521,277,268.68 and 20,228,047,368.45

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Solution

The fourth proportional to 51,680,851,512.45, 77,521,277,268.68 and 20,228,047,368.45 is: 30,342,071,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680,851,512.45 : 77,521,277,268.68 = 20,228,047,368.45 : x
  2. Step 2: Convert to fraction form
    51,680,851,512.45/77,521,277,268.68 = 20,228,047,368.45/x
  3. Step 3: Cross multiply
    51,680,851,512.45x = 77,521,277,268.68 × 20,228,047,368.45
  4. Step 4: Simplify right side
    51,680,851,512.45x = 1,568,104,068,653,504,266,240
  5. Step 5: Solve for x
    x = 1,568,104,068,653,504,266,240/51,680,851,512.45
  6. Step 6: Final answer
    x = 30,342,071,052.68

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1.5x scale

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.