Home / 1,136,693,447.70-1,705,040,171.55-646,917,422.10

Finding the Fourth Proportional to 1,136,693,447.70, 1,705,040,171.55 and 646,917,422.10

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Solution

The fourth proportional to 1,136,693,447.70, 1,705,040,171.55 and 646,917,422.10 is: 970,376,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,693,447.70 : 1,705,040,171.55 = 646,917,422.10 : x
  2. Step 2: Convert to fraction form
    1,136,693,447.70/1,705,040,171.55 = 646,917,422.10/x
  3. Step 3: Cross multiply
    1,136,693,447.70x = 1,705,040,171.55 × 646,917,422.10
  4. Step 4: Simplify right side
    1,136,693,447.70x = 1,103,020,192,356,067,712
  5. Step 5: Solve for x
    x = 1,103,020,192,356,067,712/1,136,693,447.70
  6. Step 6: Final answer
    x = 970,376,133.15

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Half scale
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Double scale
Find fourth proportional to 1,136,693,448.70, 1,705,040,173.05 and 646,917,423.10
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.