Home / 1,212,787,619.40-1,819,181,429.10-1,059,732,611.40

Finding the Fourth Proportional to 1,212,787,619.40, 1,819,181,429.10 and 1,059,732,611.40

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Solution

The fourth proportional to 1,212,787,619.40, 1,819,181,429.10 and 1,059,732,611.40 is: 1,589,598,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,787,619.40 : 1,819,181,429.10 = 1,059,732,611.40 : x
  2. Step 2: Convert to fraction form
    1,212,787,619.40/1,819,181,429.10 = 1,059,732,611.40/x
  3. Step 3: Cross multiply
    1,212,787,619.40x = 1,819,181,429.10 × 1,059,732,611.40
  4. Step 4: Simplify right side
    1,212,787,619.40x = 1,927,845,886,470,526,720
  5. Step 5: Solve for x
    x = 1,927,845,886,470,526,720/1,212,787,619.40
  6. Step 6: Final answer
    x = 1,589,598,917.10

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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.