Home / 1,231,714,612.68-1,699,774,327.14-667,199,494.32

Finding the Fourth Proportional to 1,231,714,612.68, 1,699,774,327.14 and 667,199,494.32

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Solution

The fourth proportional to 1,231,714,612.68, 1,699,774,327.14 and 667,199,494.32 is: 920,739,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,714,612.68 : 1,699,774,327.14 = 667,199,494.32 : x
  2. Step 2: Convert to fraction form
    1,231,714,612.68/1,699,774,327.14 = 667,199,494.32/x
  3. Step 3: Cross multiply
    1,231,714,612.68x = 1,699,774,327.14 × 667,199,494.32
  4. Step 4: Simplify right side
    1,231,714,612.68x = 1,134,088,571,525,926,400
  5. Step 5: Solve for x
    x = 1,134,088,571,525,926,400/1,231,714,612.68
  6. Step 6: Final answer
    x = 920,739,723.19

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Double scale
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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.