Home / 79,618,737,282.76-109,873,114,894.28-43,489,755,879.12

Finding the Fourth Proportional to 79,618,737,282.76, 109,873,114,894.28 and 43,489,755,879.12

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Solution

The fourth proportional to 79,618,737,282.76, 109,873,114,894.28 and 43,489,755,879.12 is: 60,015,457,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,618,737,282.76 : 109,873,114,894.28 = 43,489,755,879.12 : x
  2. Step 2: Convert to fraction form
    79,618,737,282.76/109,873,114,894.28 = 43,489,755,879.12/x
  3. Step 3: Cross multiply
    79,618,737,282.76x = 109,873,114,894.28 × 43,489,755,879.12
  4. Step 4: Simplify right side
    79,618,737,282.76x = 4,778,354,944,430,741,389,312
  5. Step 5: Solve for x
    x = 4,778,354,944,430,741,389,312/79,618,737,282.76
  6. Step 6: Final answer
    x = 60,015,457,510.47

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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.