Home / 20,473,188,708,876-28,252,993,598,907-11,223,974,423,608

Finding the Fourth Proportional to 20,473,188,708,876, 28,252,993,598,907 and 11,223,974,423,608

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Solution

The fourth proportional to 20,473,188,708,876, 28,252,993,598,907 and 11,223,974,423,608 is: 15,489,080,966,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473,188,708,876 : 28,252,993,598,907 = 11,223,974,423,608 : x
  2. Step 2: Convert to fraction form
    20,473,188,708,876/28,252,993,598,907 = 11,223,974,423,608/x
  3. Step 3: Cross multiply
    20,473,188,708,876x = 28,252,993,598,907 × 11,223,974,423,608
  4. Step 4: Simplify right side
    20,473,188,708,876x = 317,110,877,544,492,681,652,076,544
  5. Step 5: Solve for x
    x = 317,110,877,544,492,681,652,076,544/20,473,188,708,876
  6. Step 6: Final answer
    x = 15,489,080,966,025.17

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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.