Home / 1,197,353,940.80-1,794,687,218.40-680,032,212.80

Finding the Fourth Proportional to 1,197,353,940.80, 1,794,687,218.40 and 680,032,212.80

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Solution

The fourth proportional to 1,197,353,940.80, 1,794,687,218.40 and 680,032,212.80 is: 1,019,285,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,353,940.80 : 1,794,687,218.40 = 680,032,212.80 : x
  2. Step 2: Convert to fraction form
    1,197,353,940.80/1,794,687,218.40 = 680,032,212.80/x
  3. Step 3: Cross multiply
    1,197,353,940.80x = 1,794,687,218.40 × 680,032,212.80
  4. Step 4: Simplify right side
    1,197,353,940.80x = 1,220,445,120,412,428,800
  5. Step 5: Solve for x
    x = 1,220,445,120,412,428,800/1,197,353,940.80
  6. Step 6: Final answer
    x = 1,019,285,174.44

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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.