Home / 51,758,784,014.80-77,638,176,022.20-51,242,805,979.60

Finding the Fourth Proportional to 51,758,784,014.80, 77,638,176,022.20 and 51,242,805,979.60

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Solution

The fourth proportional to 51,758,784,014.80, 77,638,176,022.20 and 51,242,805,979.60 is: 76,864,208,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,758,784,014.80 : 77,638,176,022.20 = 51,242,805,979.60 : x
  2. Step 2: Convert to fraction form
    51,758,784,014.80/77,638,176,022.20 = 51,242,805,979.60/x
  3. Step 3: Cross multiply
    51,758,784,014.80x = 77,638,176,022.20 × 51,242,805,979.60
  4. Step 4: Simplify right side
    51,758,784,014.80x = 3,978,397,990,515,627,261,952
  5. Step 5: Solve for x
    x = 3,978,397,990,515,627,261,952/51,758,784,014.80
  6. Step 6: Final answer
    x = 76,864,208,969.40

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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.