Home / 3,097,372,980.72-4,274,320,896.12-1,687,688,527.35

Finding the Fourth Proportional to 3,097,372,980.72, 4,274,320,896.12 and 1,687,688,527.35

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Solution

The fourth proportional to 3,097,372,980.72, 4,274,320,896.12 and 1,687,688,527.35 is: 2,328,980,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097,372,980.72 : 4,274,320,896.12 = 1,687,688,527.35 : x
  2. Step 2: Convert to fraction form
    3,097,372,980.72/4,274,320,896.12 = 1,687,688,527.35/x
  3. Step 3: Cross multiply
    3,097,372,980.72x = 4,274,320,896.12 × 1,687,688,527.35
  4. Step 4: Simplify right side
    3,097,372,980.72x = 7,213,722,338,594,094,080
  5. Step 5: Solve for x
    x = 7,213,722,338,594,094,080/3,097,372,980.72
  6. Step 6: Final answer
    x = 2,328,980,843.93

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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.