Home / 10,621,762,400.40-15,932,643,600.60-5,111,782,112.40

Finding the Fourth Proportional to 10,621,762,400.40, 15,932,643,600.60 and 5,111,782,112.40

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Solution

The fourth proportional to 10,621,762,400.40, 15,932,643,600.60 and 5,111,782,112.40 is: 7,667,673,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621,762,400.40 : 15,932,643,600.60 = 5,111,782,112.40 : x
  2. Step 2: Convert to fraction form
    10,621,762,400.40/15,932,643,600.60 = 5,111,782,112.40/x
  3. Step 3: Cross multiply
    10,621,762,400.40x = 15,932,643,600.60 × 5,111,782,112.40
  4. Step 4: Simplify right side
    10,621,762,400.40x = 81,444,202,560,791,412,736
  5. Step 5: Solve for x
    x = 81,444,202,560,791,412,736/10,621,762,400.40
  6. Step 6: Final answer
    x = 7,667,673,168.60

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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.