Home / 7,185,203,999.80-10,777,805,999.70-4,078,586,246.20

Finding the Fourth Proportional to 7,185,203,999.80, 10,777,805,999.70 and 4,078,586,246.20

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Solution

The fourth proportional to 7,185,203,999.80, 10,777,805,999.70 and 4,078,586,246.20 is: 6,117,879,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,203,999.80 : 10,777,805,999.70 = 4,078,586,246.20 : x
  2. Step 2: Convert to fraction form
    7,185,203,999.80/10,777,805,999.70 = 4,078,586,246.20/x
  3. Step 3: Cross multiply
    7,185,203,999.80x = 10,777,805,999.70 × 4,078,586,246.20
  4. Step 4: Simplify right side
    7,185,203,999.80x = 43,958,211,314,588,262,400
  5. Step 5: Solve for x
    x = 43,958,211,314,588,262,400/7,185,203,999.80
  6. Step 6: Final answer
    x = 6,117,879,369.30

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1.5x scale

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.