Home / 3,904,874,952.96-5,389,059,779.52-2,211,630,813.12

Finding the Fourth Proportional to 3,904,874,952.96, 5,389,059,779.52 and 2,211,630,813.12

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Solution

The fourth proportional to 3,904,874,952.96, 5,389,059,779.52 and 2,211,630,813.12 is: 3,052,238,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904,874,952.96 : 5,389,059,779.52 = 2,211,630,813.12 : x
  2. Step 2: Convert to fraction form
    3,904,874,952.96/5,389,059,779.52 = 2,211,630,813.12/x
  3. Step 3: Cross multiply
    3,904,874,952.96x = 5,389,059,779.52 × 2,211,630,813.12
  4. Step 4: Simplify right side
    3,904,874,952.96x = 11,918,610,662,132,105,216
  5. Step 5: Solve for x
    x = 11,918,610,662,132,105,216/3,904,874,952.96
  6. Step 6: Final answer
    x = 3,052,238,754.30

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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.