Home / 20,534,518,964,888-28,338,315,767,348-11,285,831,089,644

Finding the Fourth Proportional to 20,534,518,964,888, 28,338,315,767,348 and 11,285,831,089,644

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Solution

The fourth proportional to 20,534,518,964,888, 28,338,315,767,348 and 11,285,831,089,644 is: 15,574,820,411,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,518,964,888 : 28,338,315,767,348 = 11,285,831,089,644 : x
  2. Step 2: Convert to fraction form
    20,534,518,964,888/28,338,315,767,348 = 11,285,831,089,644/x
  3. Step 3: Cross multiply
    20,534,518,964,888x = 28,338,315,767,348 × 11,285,831,089,644
  4. Step 4: Simplify right side
    20,534,518,964,888x = 319,821,445,115,284,856,925,847,552
  5. Step 5: Solve for x
    x = 319,821,445,115,284,856,925,847,552/20,534,518,964,888
  6. Step 6: Final answer
    x = 15,574,820,411,529.87

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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.