Home / 1,081,269,113.70-1,621,903,670.55-622,104,089.70

Finding the Fourth Proportional to 1,081,269,113.70, 1,621,903,670.55 and 622,104,089.70

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Solution

The fourth proportional to 1,081,269,113.70, 1,621,903,670.55 and 622,104,089.70 is: 933,156,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,269,113.70 : 1,621,903,670.55 = 622,104,089.70 : x
  2. Step 2: Convert to fraction form
    1,081,269,113.70/1,621,903,670.55 = 622,104,089.70/x
  3. Step 3: Cross multiply
    1,081,269,113.70x = 1,621,903,670.55 × 622,104,089.70
  4. Step 4: Simplify right side
    1,081,269,113.70x = 1,008,992,906,548,596,480
  5. Step 5: Solve for x
    x = 1,008,992,906,548,596,480/1,081,269,113.70
  6. Step 6: Final answer
    x = 933,156,134.55

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Half scale
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Double scale
Find fourth proportional to 1,081,269,114.70, 1,621,903,672.05 and 622,104,090.70
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.