Home / 50,921,915,766.37-70,269,077,471.55-28,057,773,971.30

Finding the Fourth Proportional to 50,921,915,766.37, 70,269,077,471.55 and 28,057,773,971.30

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Solution

The fourth proportional to 50,921,915,766.37, 70,269,077,471.55 and 28,057,773,971.30 is: 38,717,983,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921,915,766.37 : 70,269,077,471.55 = 28,057,773,971.30 : x
  2. Step 2: Convert to fraction form
    50,921,915,766.37/70,269,077,471.55 = 28,057,773,971.30/x
  3. Step 3: Cross multiply
    50,921,915,766.37x = 70,269,077,471.55 × 28,057,773,971.30
  4. Step 4: Simplify right side
    50,921,915,766.37x = 1,971,593,892,868,518,838,272
  5. Step 5: Solve for x
    x = 1,971,593,892,868,518,838,272/50,921,915,766.37
  6. Step 6: Final answer
    x = 38,717,983,469.32

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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.