Home / 12,256,271,005.78-16,913,131,406.40-6,830,517,902.50

Finding the Fourth Proportional to 12,256,271,005.78, 16,913,131,406.40 and 6,830,517,902.50

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Solution

The fourth proportional to 12,256,271,005.78, 16,913,131,406.40 and 6,830,517,902.50 is: 9,425,823,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,271,005.78 : 16,913,131,406.40 = 6,830,517,902.50 : x
  2. Step 2: Convert to fraction form
    12,256,271,005.78/16,913,131,406.40 = 6,830,517,902.50/x
  3. Step 3: Cross multiply
    12,256,271,005.78x = 16,913,131,406.40 × 6,830,517,902.50
  4. Step 4: Simplify right side
    12,256,271,005.78x = 115,525,446,858,750,197,760
  5. Step 5: Solve for x
    x = 115,525,446,858,750,197,760/12,256,271,005.78
  6. Step 6: Final answer
    x = 9,425,823,466.56

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1.5x scale

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.