Home / 20,534,518,965,042-28,338,315,767,564-11,285,831,089,800

Finding the Fourth Proportional to 20,534,518,965,042, 28,338,315,767,564 and 11,285,831,089,800

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Solution

The fourth proportional to 20,534,518,965,042, 28,338,315,767,564 and 11,285,831,089,800 is: 15,574,820,411,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,518,965,042 : 28,338,315,767,564 = 11,285,831,089,800 : x
  2. Step 2: Convert to fraction form
    20,534,518,965,042/28,338,315,767,564 = 11,285,831,089,800/x
  3. Step 3: Cross multiply
    20,534,518,965,042x = 28,338,315,767,564 × 11,285,831,089,800
  4. Step 4: Simplify right side
    20,534,518,965,042x = 319,821,445,122,143,335,582,007,296
  5. Step 5: Solve for x
    x = 319,821,445,122,143,335,582,007,296/20,534,518,965,042
  6. Step 6: Final answer
    x = 15,574,820,411,747.06

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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.