Home / 3,845,852,998.86-5,307,277,137.39-2,085,720,406.86

Finding the Fourth Proportional to 3,845,852,998.86, 5,307,277,137.39 and 2,085,720,406.86

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Solution

The fourth proportional to 3,845,852,998.86, 5,307,277,137.39 and 2,085,720,406.86 is: 2,878,294,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845,852,998.86 : 5,307,277,137.39 = 2,085,720,406.86 : x
  2. Step 2: Convert to fraction form
    3,845,852,998.86/5,307,277,137.39 = 2,085,720,406.86/x
  3. Step 3: Cross multiply
    3,845,852,998.86x = 5,307,277,137.39 × 2,085,720,406.86
  4. Step 4: Simplify right side
    3,845,852,998.86x = 11,069,496,230,315,847,680
  5. Step 5: Solve for x
    x = 11,069,496,230,315,847,680/3,845,852,998.86
  6. Step 6: Final answer
    x = 2,878,294,160.90

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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.