Home / 1,928,583,645.12-2,662,011,840.96-1,259,630,956.80

Finding the Fourth Proportional to 1,928,583,645.12, 2,662,011,840.96 and 1,259,630,956.80

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Solution

The fourth proportional to 1,928,583,645.12, 2,662,011,840.96 and 1,259,630,956.80 is: 1,738,660,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,583,645.12 : 2,662,011,840.96 = 1,259,630,956.80 : x
  2. Step 2: Convert to fraction form
    1,928,583,645.12/2,662,011,840.96 = 1,259,630,956.80/x
  3. Step 3: Cross multiply
    1,928,583,645.12x = 2,662,011,840.96 × 1,259,630,956.80
  4. Step 4: Simplify right side
    1,928,583,645.12x = 3,353,152,522,241,374,208
  5. Step 5: Solve for x
    x = 3,353,152,522,241,374,208/1,928,583,645.12
  6. Step 6: Final answer
    x = 1,738,660,664.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.