Home / 1,279,476,133.60-1,919,214,200.40-590,728,597.60

Finding the Fourth Proportional to 1,279,476,133.60, 1,919,214,200.40 and 590,728,597.60

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Solution

The fourth proportional to 1,279,476,133.60, 1,919,214,200.40 and 590,728,597.60 is: 886,092,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,476,133.60 : 1,919,214,200.40 = 590,728,597.60 : x
  2. Step 2: Convert to fraction form
    1,279,476,133.60/1,919,214,200.40 = 590,728,597.60/x
  3. Step 3: Cross multiply
    1,279,476,133.60x = 1,919,214,200.40 × 590,728,597.60
  4. Step 4: Simplify right side
    1,279,476,133.60x = 1,133,734,713,096,297,472
  5. Step 5: Solve for x
    x = 1,133,734,713,096,297,472/1,279,476,133.60
  6. Step 6: Final answer
    x = 886,092,896.40

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Half scale
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Double scale
Find fourth proportional to 1,279,476,134.60, 1,919,214,201.90 and 590,728,598.60
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.