Home / 1,217,282,662.01-1,679,708,355.65-681,463,667.72

Finding the Fourth Proportional to 1,217,282,662.01, 1,679,708,355.65 and 681,463,667.72

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Solution

The fourth proportional to 1,217,282,662.01, 1,679,708,355.65 and 681,463,667.72 is: 940,340,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,282,662.01 : 1,679,708,355.65 = 681,463,667.72 : x
  2. Step 2: Convert to fraction form
    1,217,282,662.01/1,679,708,355.65 = 681,463,667.72/x
  3. Step 3: Cross multiply
    1,217,282,662.01x = 1,679,708,355.65 × 681,463,667.72
  4. Step 4: Simplify right side
    1,217,282,662.01x = 1,144,660,216,737,771,904
  5. Step 5: Solve for x
    x = 1,144,660,216,737,771,904/1,217,282,662.01
  6. Step 6: Final answer
    x = 940,340,524.40

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Half scale
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Double scale
Find fourth proportional to 1,217,282,663.01, 1,679,708,357.02 and 681,463,668.72
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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.