Home / 1,918,728,007.80-2,878,092,011.70-1,608,791,616.60

Finding the Fourth Proportional to 1,918,728,007.80, 2,878,092,011.70 and 1,608,791,616.60

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Solution

The fourth proportional to 1,918,728,007.80, 2,878,092,011.70 and 1,608,791,616.60 is: 2,413,187,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,728,007.80 : 2,878,092,011.70 = 1,608,791,616.60 : x
  2. Step 2: Convert to fraction form
    1,918,728,007.80/2,878,092,011.70 = 1,608,791,616.60/x
  3. Step 3: Cross multiply
    1,918,728,007.80x = 2,878,092,011.70 × 1,608,791,616.60
  4. Step 4: Simplify right side
    1,918,728,007.80x = 4,630,250,300,226,388,992
  5. Step 5: Solve for x
    x = 4,630,250,300,226,388,992/1,918,728,007.80
  6. Step 6: Final answer
    x = 2,413,187,424.90

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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.