Home / 20,691,936,004.80-31,037,904,007.20-9,651,568,094.40

Finding the Fourth Proportional to 20,691,936,004.80, 31,037,904,007.20 and 9,651,568,094.40

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Solution

The fourth proportional to 20,691,936,004.80, 31,037,904,007.20 and 9,651,568,094.40 is: 14,477,352,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691,936,004.80 : 31,037,904,007.20 = 9,651,568,094.40 : x
  2. Step 2: Convert to fraction form
    20,691,936,004.80/31,037,904,007.20 = 9,651,568,094.40/x
  3. Step 3: Cross multiply
    20,691,936,004.80x = 31,037,904,007.20 × 9,651,568,094.40
  4. Step 4: Simplify right side
    20,691,936,004.80x = 299,564,444,032,941,424,640
  5. Step 5: Solve for x
    x = 299,564,444,032,941,424,640/20,691,936,004.80
  6. Step 6: Final answer
    x = 14,477,352,141.60

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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.