Home / 79,052,318,633.87-109,092,199,714.74-45,219,613,742.92

Finding the Fourth Proportional to 79,052,318,633.87, 109,092,199,714.74 and 45,219,613,742.92

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Solution

The fourth proportional to 79,052,318,633.87, 109,092,199,714.74 and 45,219,613,742.92 is: 62,403,066,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,052,318,633.87 : 109,092,199,714.74 = 45,219,613,742.92 : x
  2. Step 2: Convert to fraction form
    79,052,318,633.87/109,092,199,714.74 = 45,219,613,742.92/x
  3. Step 3: Cross multiply
    79,052,318,633.87x = 109,092,199,714.74 × 45,219,613,742.92
  4. Step 4: Simplify right side
    79,052,318,633.87x = 4,933,107,133,465,485,115,392
  5. Step 5: Solve for x
    x = 4,933,107,133,465,485,115,392/79,052,318,633.87
  6. Step 6: Final answer
    x = 62,403,066,965.22

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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.