Home / 20,534,518,964,942-28,338,315,767,424-11,285,831,089,698

Finding the Fourth Proportional to 20,534,518,964,942, 28,338,315,767,424 and 11,285,831,089,698

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Solution

The fourth proportional to 20,534,518,964,942, 28,338,315,767,424 and 11,285,831,089,698 is: 15,574,820,411,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,518,964,942 : 28,338,315,767,424 = 11,285,831,089,698 : x
  2. Step 2: Convert to fraction form
    20,534,518,964,942/28,338,315,767,424 = 11,285,831,089,698/x
  3. Step 3: Cross multiply
    20,534,518,964,942x = 28,338,315,767,424 × 11,285,831,089,698
  4. Step 4: Simplify right side
    20,534,518,964,942x = 319,821,445,117,672,790,022,946,816
  5. Step 5: Solve for x
    x = 319,821,445,117,672,790,022,946,816/20,534,518,964,942
  6. Step 6: Final answer
    x = 15,574,820,411,605.20

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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.