Home / 1,997,181,014.80-2,989,932,264.60-1,423,872,086.80

Finding the Fourth Proportional to 1,997,181,014.80, 2,989,932,264.60 and 1,423,872,086.80

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Solution

The fourth proportional to 1,997,181,014.80, 2,989,932,264.60 and 1,423,872,086.80 is: 2,131,645,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,181,014.80 : 2,989,932,264.60 = 1,423,872,086.80 : x
  2. Step 2: Convert to fraction form
    1,997,181,014.80/2,989,932,264.60 = 1,423,872,086.80/x
  3. Step 3: Cross multiply
    1,997,181,014.80x = 2,989,932,264.60 × 1,423,872,086.80
  4. Step 4: Simplify right side
    1,997,181,014.80x = 4,257,281,092,986,651,648
  5. Step 5: Solve for x
    x = 4,257,281,092,986,651,648/1,997,181,014.80
  6. Step 6: Final answer
    x = 2,131,645,084.47

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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.