Home / 20,503,931,772,417-28,295,446,787,097-11,128,731,235,657

Finding the Fourth Proportional to 20,503,931,772,417, 28,295,446,787,097 and 11,128,731,235,657

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Solution

The fourth proportional to 20,503,931,772,417, 28,295,446,787,097 and 11,128,731,235,657 is: 15,357,660,471,249.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,931,772,417 : 28,295,446,787,097 = 11,128,731,235,657 : x
  2. Step 2: Convert to fraction form
    20,503,931,772,417/28,295,446,787,097 = 11,128,731,235,657/x
  3. Step 3: Cross multiply
    20,503,931,772,417x = 28,295,446,787,097 × 11,128,731,235,657
  4. Step 4: Simplify right side
    20,503,931,772,417x = 314,892,422,486,436,858,585,677,824
  5. Step 5: Solve for x
    x = 314,892,422,486,436,858,585,677,824/20,503,931,772,417
  6. Step 6: Final answer
    x = 15,357,660,471,249.09

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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.