Home / 56,643,530,029.13-78,167,673,790.19-30,922,809,946.80

Finding the Fourth Proportional to 56,643,530,029.13, 78,167,673,790.19 and 30,922,809,946.80

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Solution

The fourth proportional to 56,643,530,029.13, 78,167,673,790.19 and 30,922,809,946.80 is: 42,673,260,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,643,530,029.13 : 78,167,673,790.19 = 30,922,809,946.80 : x
  2. Step 2: Convert to fraction form
    56,643,530,029.13/78,167,673,790.19 = 30,922,809,946.80/x
  3. Step 3: Cross multiply
    56,643,530,029.13x = 78,167,673,790.19 × 30,922,809,946.80
  4. Step 4: Simplify right side
    56,643,530,029.13x = 2,417,164,120,597,504,983,040
  5. Step 5: Solve for x
    x = 2,417,164,120,597,504,983,040/56,643,530,029.13
  6. Step 6: Final answer
    x = 42,673,260,641.67

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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.