Home / 3,837,828,400.28-5,296,477,253.97-2,121,140,627.48

Finding the Fourth Proportional to 3,837,828,400.28, 5,296,477,253.97 and 2,121,140,627.48

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Solution

The fourth proportional to 3,837,828,400.28, 5,296,477,253.97 and 2,121,140,627.48 is: 2,927,325,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837,828,400.28 : 5,296,477,253.97 = 2,121,140,627.48 : x
  2. Step 2: Convert to fraction form
    3,837,828,400.28/5,296,477,253.97 = 2,121,140,627.48/x
  3. Step 3: Cross multiply
    3,837,828,400.28x = 5,296,477,253.97 × 2,121,140,627.48
  4. Step 4: Simplify right side
    3,837,828,400.28x = 11,234,573,085,911,644,160
  5. Step 5: Solve for x
    x = 11,234,573,085,911,644,160/3,837,828,400.28
  6. Step 6: Final answer
    x = 2,927,325,537.82

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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.