Home / 20,534,518,964,904-28,338,315,767,368-11,285,831,089,660

Finding the Fourth Proportional to 20,534,518,964,904, 28,338,315,767,368 and 11,285,831,089,660

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Solution

The fourth proportional to 20,534,518,964,904, 28,338,315,767,368 and 11,285,831,089,660 is: 15,574,820,411,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,518,964,904 : 28,338,315,767,368 = 11,285,831,089,660 : x
  2. Step 2: Convert to fraction form
    20,534,518,964,904/28,338,315,767,368 = 11,285,831,089,660/x
  3. Step 3: Cross multiply
    20,534,518,964,904x = 28,338,315,767,368 × 11,285,831,089,660
  4. Step 4: Simplify right side
    20,534,518,964,904x = 319,821,445,115,963,942,794,952,704
  5. Step 5: Solve for x
    x = 319,821,445,115,963,942,794,952,704/20,534,518,964,904
  6. Step 6: Final answer
    x = 15,574,820,411,550.81

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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.