Home / 6,189,713,999.40-9,284,570,999.10-3,985,721,884.20

Finding the Fourth Proportional to 6,189,713,999.40, 9,284,570,999.10 and 3,985,721,884.20

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Solution

The fourth proportional to 6,189,713,999.40, 9,284,570,999.10 and 3,985,721,884.20 is: 5,978,582,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189,713,999.40 : 9,284,570,999.10 = 3,985,721,884.20 : x
  2. Step 2: Convert to fraction form
    6,189,713,999.40/9,284,570,999.10 = 3,985,721,884.20/x
  3. Step 3: Cross multiply
    6,189,713,999.40x = 9,284,570,999.10 × 3,985,721,884.20
  4. Step 4: Simplify right side
    6,189,713,999.40x = 37,005,717,816,521,531,392
  5. Step 5: Solve for x
    x = 37,005,717,816,521,531,392/6,189,713,999.40
  6. Step 6: Final answer
    x = 5,978,582,826.30

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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.