Home / 1,236,887,228.68-1,706,892,249.12-672,338,520.93

Finding the Fourth Proportional to 1,236,887,228.68, 1,706,892,249.12 and 672,338,520.93

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Solution

The fourth proportional to 1,236,887,228.68, 1,706,892,249.12 and 672,338,520.93 is: 927,820,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,887,228.68 : 1,706,892,249.12 = 672,338,520.93 : x
  2. Step 2: Convert to fraction form
    1,236,887,228.68/1,706,892,249.12 = 672,338,520.93/x
  3. Step 3: Cross multiply
    1,236,887,228.68x = 1,706,892,249.12 × 672,338,520.93
  4. Step 4: Simplify right side
    1,236,887,228.68x = 1,147,609,410,160,221,696
  5. Step 5: Solve for x
    x = 1,147,609,410,160,221,696/1,236,887,228.68
  6. Step 6: Final answer
    x = 927,820,567.27

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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.