Home / 20,534,518,964,985-28,338,315,767,478-11,285,831,089,741

Finding the Fourth Proportional to 20,534,518,964,985, 28,338,315,767,478 and 11,285,831,089,741

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Solution

The fourth proportional to 20,534,518,964,985, 28,338,315,767,478 and 11,285,831,089,741 is: 15,574,820,411,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,518,964,985 : 28,338,315,767,478 = 11,285,831,089,741 : x
  2. Step 2: Convert to fraction form
    20,534,518,964,985/28,338,315,767,478 = 11,285,831,089,741/x
  3. Step 3: Cross multiply
    20,534,518,964,985x = 28,338,315,767,478 × 11,285,831,089,741
  4. Step 4: Simplify right side
    20,534,518,964,985x = 319,821,445,119,500,796,823,601,152
  5. Step 5: Solve for x
    x = 319,821,445,119,500,796,823,601,152/20,534,518,964,985
  6. Step 6: Final answer
    x = 15,574,820,411,661.61

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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.