Home / 28,492,562,711.40-42,738,844,067.10-23,921,319,805.80

Finding the Fourth Proportional to 28,492,562,711.40, 42,738,844,067.10 and 23,921,319,805.80

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Solution

The fourth proportional to 28,492,562,711.40, 42,738,844,067.10 and 23,921,319,805.80 is: 35,881,979,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,492,562,711.40 : 42,738,844,067.10 = 23,921,319,805.80 : x
  2. Step 2: Convert to fraction form
    28,492,562,711.40/42,738,844,067.10 = 23,921,319,805.80/x
  3. Step 3: Cross multiply
    28,492,562,711.40x = 42,738,844,067.10 × 23,921,319,805.80
  4. Step 4: Simplify right side
    28,492,562,711.40x = 1,022,369,557,059,317,006,336
  5. Step 5: Solve for x
    x = 1,022,369,557,059,317,006,336/28,492,562,711.40
  6. Step 6: Final answer
    x = 35,881,979,708.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.