Home / 20,534,518,965,040-28,338,315,767,560-11,285,831,089,798

Finding the Fourth Proportional to 20,534,518,965,040, 28,338,315,767,560 and 11,285,831,089,798

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Solution

The fourth proportional to 20,534,518,965,040, 28,338,315,767,560 and 11,285,831,089,798 is: 15,574,820,411,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,518,965,040 : 28,338,315,767,560 = 11,285,831,089,798 : x
  2. Step 2: Convert to fraction form
    20,534,518,965,040/28,338,315,767,560 = 11,285,831,089,798/x
  3. Step 3: Cross multiply
    20,534,518,965,040x = 28,338,315,767,560 × 11,285,831,089,798
  4. Step 4: Simplify right side
    20,534,518,965,040x = 319,821,445,122,041,493,317,484,544
  5. Step 5: Solve for x
    x = 319,821,445,122,041,493,317,484,544/20,534,518,965,040
  6. Step 6: Final answer
    x = 15,574,820,411,743.62

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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.