Home / 69,814,355,021.76-96,344,104,162.56-39,330,904,393.92

Finding the Fourth Proportional to 69,814,355,021.76, 96,344,104,162.56 and 39,330,904,393.92

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Solution

The fourth proportional to 69,814,355,021.76, 96,344,104,162.56 and 39,330,904,393.92 is: 54,276,813,823.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,814,355,021.76 : 96,344,104,162.56 = 39,330,904,393.92 : x
  2. Step 2: Convert to fraction form
    69,814,355,021.76/96,344,104,162.56 = 39,330,904,393.92/x
  3. Step 3: Cross multiply
    69,814,355,021.76x = 96,344,104,162.56 × 39,330,904,393.92
  4. Step 4: Simplify right side
    69,814,355,021.76x = 3,789,300,749,735,517,224,960
  5. Step 5: Solve for x
    x = 3,789,300,749,735,517,224,960/69,814,355,021.76
  6. Step 6: Final answer
    x = 54,276,813,823.67

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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.