Home / 5,640,051,699.52-7,783,446,542.88-3,099,687,570.88

Finding the Fourth Proportional to 5,640,051,699.52, 7,783,446,542.88 and 3,099,687,570.88

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Solution

The fourth proportional to 5,640,051,699.52, 7,783,446,542.88 and 3,099,687,570.88 is: 4,277,665,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,051,699.52 : 7,783,446,542.88 = 3,099,687,570.88 : x
  2. Step 2: Convert to fraction form
    5,640,051,699.52/7,783,446,542.88 = 3,099,687,570.88/x
  3. Step 3: Cross multiply
    5,640,051,699.52x = 7,783,446,542.88 × 3,099,687,570.88
  4. Step 4: Simplify right side
    5,640,051,699.52x = 24,126,252,507,574,042,624
  5. Step 5: Solve for x
    x = 24,126,252,507,574,042,624/5,640,051,699.52
  6. Step 6: Final answer
    x = 4,277,665,133.75

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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.