Home / 7,876,719,575.37-10,869,905,763.41-4,259,743,313.78

Finding the Fourth Proportional to 7,876,719,575.37, 10,869,905,763.41 and 4,259,743,313.78

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Solution

The fourth proportional to 7,876,719,575.37, 10,869,905,763.41 and 4,259,743,313.78 is: 5,878,463,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,719,575.37 : 10,869,905,763.41 = 4,259,743,313.78 : x
  2. Step 2: Convert to fraction form
    7,876,719,575.37/10,869,905,763.41 = 4,259,743,313.78/x
  3. Step 3: Cross multiply
    7,876,719,575.37x = 10,869,905,763.41 × 4,259,743,313.78
  4. Step 4: Simplify right side
    7,876,719,575.37x = 46,303,008,397,028,786,176
  5. Step 5: Solve for x
    x = 46,303,008,397,028,786,176/7,876,719,575.37
  6. Step 6: Final answer
    x = 5,878,463,483.94

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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.