Home / 165,586,346,979.45-248,379,520,469.18-71,304,462,051.45

Finding the Fourth Proportional to 165,586,346,979.45, 248,379,520,469.18 and 71,304,462,051.45

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Solution

The fourth proportional to 165,586,346,979.45, 248,379,520,469.18 and 71,304,462,051.45 is: 106,956,693,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,586,346,979.45 : 248,379,520,469.18 = 71,304,462,051.45 : x
  2. Step 2: Convert to fraction form
    165,586,346,979.45/248,379,520,469.18 = 71,304,462,051.45/x
  3. Step 3: Cross multiply
    165,586,346,979.45x = 248,379,520,469.18 × 71,304,462,051.45
  4. Step 4: Simplify right side
    165,586,346,979.45x = 17,710,568,091,651,992,977,408
  5. Step 5: Solve for x
    x = 17,710,568,091,651,992,977,408/165,586,346,979.45
  6. Step 6: Final answer
    x = 106,956,693,077.18

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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.