Home / 1,136,693,441.70-1,705,040,162.55-646,917,416.10

Finding the Fourth Proportional to 1,136,693,441.70, 1,705,040,162.55 and 646,917,416.10

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Solution

The fourth proportional to 1,136,693,441.70, 1,705,040,162.55 and 646,917,416.10 is: 970,376,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,693,441.70 : 1,705,040,162.55 = 646,917,416.10 : x
  2. Step 2: Convert to fraction form
    1,136,693,441.70/1,705,040,162.55 = 646,917,416.10/x
  3. Step 3: Cross multiply
    1,136,693,441.70x = 1,705,040,162.55 × 646,917,416.10
  4. Step 4: Simplify right side
    1,136,693,441.70x = 1,103,020,176,303,570,048
  5. Step 5: Solve for x
    x = 1,103,020,176,303,570,048/1,136,693,441.70
  6. Step 6: Final answer
    x = 970,376,124.15

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Half scale
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Double scale
Find fourth proportional to 1,136,693,442.70, 1,705,040,164.05 and 646,917,417.10
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.