Home / 1,136,693,686.70-1,705,040,530.05-646,917,661.10

Finding the Fourth Proportional to 1,136,693,686.70, 1,705,040,530.05 and 646,917,661.10

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Solution

The fourth proportional to 1,136,693,686.70, 1,705,040,530.05 and 646,917,661.10 is: 970,376,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,693,686.70 : 1,705,040,530.05 = 646,917,661.10 : x
  2. Step 2: Convert to fraction form
    1,136,693,686.70/1,705,040,530.05 = 646,917,661.10/x
  3. Step 3: Cross multiply
    1,136,693,686.70x = 1,705,040,530.05 × 646,917,661.10
  4. Step 4: Simplify right side
    1,136,693,686.70x = 1,103,020,831,780,650,240
  5. Step 5: Solve for x
    x = 1,103,020,831,780,650,240/1,136,693,686.70
  6. Step 6: Final answer
    x = 970,376,491.65

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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.