Home / 20,503,931,772,414-28,295,446,787,094-11,128,731,235,654

Finding the Fourth Proportional to 20,503,931,772,414, 28,295,446,787,094 and 11,128,731,235,654

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Solution

The fourth proportional to 20,503,931,772,414, 28,295,446,787,094 and 11,128,731,235,654 is: 15,357,660,471,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,931,772,414 : 28,295,446,787,094 = 11,128,731,235,654 : x
  2. Step 2: Convert to fraction form
    20,503,931,772,414/28,295,446,787,094 = 11,128,731,235,654/x
  3. Step 3: Cross multiply
    20,503,931,772,414x = 28,295,446,787,094 × 11,128,731,235,654
  4. Step 4: Simplify right side
    20,503,931,772,414x = 314,892,422,486,318,592,366,215,168
  5. Step 5: Solve for x
    x = 314,892,422,486,318,592,366,215,168/20,503,931,772,414
  6. Step 6: Final answer
    x = 15,357,660,471,245.57

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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.