Home / 20,534,518,964,912-28,338,315,767,374-11,285,831,089,669

Finding the Fourth Proportional to 20,534,518,964,912, 28,338,315,767,374 and 11,285,831,089,669

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Solution

The fourth proportional to 20,534,518,964,912, 28,338,315,767,374 and 11,285,831,089,669 is: 15,574,820,411,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,518,964,912 : 28,338,315,767,374 = 11,285,831,089,669 : x
  2. Step 2: Convert to fraction form
    20,534,518,964,912/28,338,315,767,374 = 11,285,831,089,669/x
  3. Step 3: Cross multiply
    20,534,518,964,912x = 28,338,315,767,374 × 11,285,831,089,669
  4. Step 4: Simplify right side
    20,534,518,964,912x = 319,821,445,116,286,718,177,181,696
  5. Step 5: Solve for x
    x = 319,821,445,116,286,718,177,181,696/20,534,518,964,912
  6. Step 6: Final answer
    x = 15,574,820,411,560.46

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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.