Home / 1,942,056,004.80-2,913,084,007.20-851,539,072.80

Finding the Fourth Proportional to 1,942,056,004.80, 2,913,084,007.20 and 851,539,072.80

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Solution

The fourth proportional to 1,942,056,004.80, 2,913,084,007.20 and 851,539,072.80 is: 1,277,308,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,056,004.80 : 2,913,084,007.20 = 851,539,072.80 : x
  2. Step 2: Convert to fraction form
    1,942,056,004.80/2,913,084,007.20 = 851,539,072.80/x
  3. Step 3: Cross multiply
    1,942,056,004.80x = 2,913,084,007.20 × 851,539,072.80
  4. Step 4: Simplify right side
    1,942,056,004.80x = 2,480,604,854,479,596,032
  5. Step 5: Solve for x
    x = 2,480,604,854,479,596,032/1,942,056,004.80
  6. Step 6: Final answer
    x = 1,277,308,609.20

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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.