Home / 7,876,719,573.86-10,869,905,761.34-4,259,743,312.28

Finding the Fourth Proportional to 7,876,719,573.86, 10,869,905,761.34 and 4,259,743,312.28

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Solution

The fourth proportional to 7,876,719,573.86, 10,869,905,761.34 and 4,259,743,312.28 is: 5,878,463,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,719,573.86 : 10,869,905,761.34 = 4,259,743,312.28 : x
  2. Step 2: Convert to fraction form
    7,876,719,573.86/10,869,905,761.34 = 4,259,743,312.28/x
  3. Step 3: Cross multiply
    7,876,719,573.86x = 10,869,905,761.34 × 4,259,743,312.28
  4. Step 4: Simplify right side
    7,876,719,573.86x = 46,303,008,371,906,256,896
  5. Step 5: Solve for x
    x = 46,303,008,371,906,256,896/7,876,719,573.86
  6. Step 6: Final answer
    x = 5,878,463,481.87

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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.