Home / 1,091,497,231.70-1,637,245,847.55-833,216,905.70

Finding the Fourth Proportional to 1,091,497,231.70, 1,637,245,847.55 and 833,216,905.70

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Solution

The fourth proportional to 1,091,497,231.70, 1,637,245,847.55 and 833,216,905.70 is: 1,249,825,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,497,231.70 : 1,637,245,847.55 = 833,216,905.70 : x
  2. Step 2: Convert to fraction form
    1,091,497,231.70/1,637,245,847.55 = 833,216,905.70/x
  3. Step 3: Cross multiply
    1,091,497,231.70x = 1,637,245,847.55 × 833,216,905.70
  4. Step 4: Simplify right side
    1,091,497,231.70x = 1,364,180,918,965,785,088
  5. Step 5: Solve for x
    x = 1,364,180,918,965,785,088/1,091,497,231.70
  6. Step 6: Final answer
    x = 1,249,825,358.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.