Home / 1,113,845,853.87-1,670,769,090.39-414,246,581.73

Finding the Fourth Proportional to 1,113,845,853.87, 1,670,769,090.39 and 414,246,581.73

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Solution

The fourth proportional to 1,113,845,853.87, 1,670,769,090.39 and 414,246,581.73 is: 621,369,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,845,853.87 : 1,670,769,090.39 = 414,246,581.73 : x
  2. Step 2: Convert to fraction form
    1,113,845,853.87/1,670,769,090.39 = 414,246,581.73/x
  3. Step 3: Cross multiply
    1,113,845,853.87x = 1,670,769,090.39 × 414,246,581.73
  4. Step 4: Simplify right side
    1,113,845,853.87x = 692,110,384,554,198,912
  5. Step 5: Solve for x
    x = 692,110,384,554,198,912/1,113,845,853.87
  6. Step 6: Final answer
    x = 621,369,987.73

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Double scale
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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.