Home / 3,492,474,656.25-4,819,634,601.72-1,987,100,970.75

Finding the Fourth Proportional to 3,492,474,656.25, 4,819,634,601.72 and 1,987,100,970.75

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Solution

The fourth proportional to 3,492,474,656.25, 4,819,634,601.72 and 1,987,100,970.75 is: 2,742,210,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492,474,656.25 : 4,819,634,601.72 = 1,987,100,970.75 : x
  2. Step 2: Convert to fraction form
    3,492,474,656.25/4,819,634,601.72 = 1,987,100,970.75/x
  3. Step 3: Cross multiply
    3,492,474,656.25x = 4,819,634,601.72 × 1,987,100,970.75
  4. Step 4: Simplify right side
    3,492,474,656.25x = 9,577,100,595,738,101,760
  5. Step 5: Solve for x
    x = 9,577,100,595,738,101,760/3,492,474,656.25
  6. Step 6: Final answer
    x = 2,742,210,477.78

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Double scale
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1.5x scale

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.