Home / 20,534,518,964,943-28,338,315,767,425-11,285,831,089,699

Finding the Fourth Proportional to 20,534,518,964,943, 28,338,315,767,425 and 11,285,831,089,699

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Solution

The fourth proportional to 20,534,518,964,943, 28,338,315,767,425 and 11,285,831,089,699 is: 15,574,820,411,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,518,964,943 : 28,338,315,767,425 = 11,285,831,089,699 : x
  2. Step 2: Convert to fraction form
    20,534,518,964,943/28,338,315,767,425 = 11,285,831,089,699/x
  3. Step 3: Cross multiply
    20,534,518,964,943x = 28,338,315,767,425 × 11,285,831,089,699
  4. Step 4: Simplify right side
    20,534,518,964,943x = 319,821,445,117,712,441,161,023,488
  5. Step 5: Solve for x
    x = 319,821,445,117,712,441,161,023,488/20,534,518,964,943
  6. Step 6: Final answer
    x = 15,574,820,411,606.38

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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.