Home / 20,534,518,965,039-28,338,315,767,559-11,285,831,089,797

Finding the Fourth Proportional to 20,534,518,965,039, 28,338,315,767,559 and 11,285,831,089,797

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Solution

The fourth proportional to 20,534,518,965,039, 28,338,315,767,559 and 11,285,831,089,797 is: 15,574,820,411,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,518,965,039 : 28,338,315,767,559 = 11,285,831,089,797 : x
  2. Step 2: Convert to fraction form
    20,534,518,965,039/28,338,315,767,559 = 11,285,831,089,797/x
  3. Step 3: Cross multiply
    20,534,518,965,039x = 28,338,315,767,559 × 11,285,831,089,797
  4. Step 4: Simplify right side
    20,534,518,965,039x = 319,821,445,122,001,910,898,884,608
  5. Step 5: Solve for x
    x = 319,821,445,122,001,910,898,884,608/20,534,518,965,039
  6. Step 6: Final answer
    x = 15,574,820,411,742.45

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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.