Home / 20,503,931,772,400-28,295,446,787,074-11,128,731,235,641

Finding the Fourth Proportional to 20,503,931,772,400, 28,295,446,787,074 and 11,128,731,235,641

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Solution

The fourth proportional to 20,503,931,772,400, 28,295,446,787,074 and 11,128,731,235,641 is: 15,357,660,471,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,931,772,400 : 28,295,446,787,074 = 11,128,731,235,641 : x
  2. Step 2: Convert to fraction form
    20,503,931,772,400/28,295,446,787,074 = 11,128,731,235,641/x
  3. Step 3: Cross multiply
    20,503,931,772,400x = 28,295,446,787,074 × 11,128,731,235,641
  4. Step 4: Simplify right side
    20,503,931,772,400x = 314,892,422,485,728,223,341,576,192
  5. Step 5: Solve for x
    x = 314,892,422,485,728,223,341,576,192/20,503,931,772,400
  6. Step 6: Final answer
    x = 15,357,660,471,227.26

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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.