Home / 5,390,858,941.48-7,439,770,304-2,979,489,559.52

Finding the Fourth Proportional to 5,390,858,941.48, 7,439,770,304 and 2,979,489,559.52

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Solution

The fourth proportional to 5,390,858,941.48, 7,439,770,304 and 2,979,489,559.52 is: 4,111,908,359.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,858,941.48 : 7,439,770,304 = 2,979,489,559.52 : x
  2. Step 2: Convert to fraction form
    5,390,858,941.48/7,439,770,304 = 2,979,489,559.52/x
  3. Step 3: Cross multiply
    5,390,858,941.48x = 7,439,770,304 × 2,979,489,559.52
  4. Step 4: Simplify right side
    5,390,858,941.48x = 22,166,717,945,994,936,320
  5. Step 5: Solve for x
    x = 22,166,717,945,994,936,320/5,390,858,941.48
  6. Step 6: Final answer
    x = 4,111,908,359.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.