Home / 1,889,628,803.20-2,834,443,204.80-509,582,814.40

Finding the Fourth Proportional to 1,889,628,803.20, 2,834,443,204.80 and 509,582,814.40

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Solution

The fourth proportional to 1,889,628,803.20, 2,834,443,204.80 and 509,582,814.40 is: 764,374,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,628,803.20 : 2,834,443,204.80 = 509,582,814.40 : x
  2. Step 2: Convert to fraction form
    1,889,628,803.20/2,834,443,204.80 = 509,582,814.40/x
  3. Step 3: Cross multiply
    1,889,628,803.20x = 2,834,443,204.80 × 509,582,814.40
  4. Step 4: Simplify right side
    1,889,628,803.20x = 1,444,383,545,558,939,648
  5. Step 5: Solve for x
    x = 1,444,383,545,558,939,648/1,889,628,803.20
  6. Step 6: Final answer
    x = 764,374,221.60

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Half scale
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Double scale
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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.