Home / 1,217,282,653.14-1,679,708,343.40-681,463,658.85

Finding the Fourth Proportional to 1,217,282,653.14, 1,679,708,343.40 and 681,463,658.85

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Solution

The fourth proportional to 1,217,282,653.14, 1,679,708,343.40 and 681,463,658.85 is: 940,340,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,282,653.14 : 1,679,708,343.40 = 681,463,658.85 : x
  2. Step 2: Convert to fraction form
    1,217,282,653.14/1,679,708,343.40 = 681,463,658.85/x
  3. Step 3: Cross multiply
    1,217,282,653.14x = 1,679,708,343.40 × 681,463,658.85
  4. Step 4: Simplify right side
    1,217,282,653.14x = 1,144,660,193,494,236,416
  5. Step 5: Solve for x
    x = 1,144,660,193,494,236,416/1,217,282,653.14
  6. Step 6: Final answer
    x = 940,340,512.16

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Half scale
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Double scale
Find fourth proportional to 1,217,282,654.14, 1,679,708,344.78 and 681,463,659.85
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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.