Home / 12,588,913,124.16-17,380,540,418.58-8,013,759,012.33

Finding the Fourth Proportional to 12,588,913,124.16, 17,380,540,418.58 and 8,013,759,012.33

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Solution

The fourth proportional to 12,588,913,124.16, 17,380,540,418.58 and 8,013,759,012.33 is: 11,063,978,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,913,124.16 : 17,380,540,418.58 = 8,013,759,012.33 : x
  2. Step 2: Convert to fraction form
    12,588,913,124.16/17,380,540,418.58 = 8,013,759,012.33/x
  3. Step 3: Cross multiply
    12,588,913,124.16x = 17,380,540,418.58 × 8,013,759,012.33
  4. Step 4: Simplify right side
    12,588,913,124.16x = 139,283,462,418,561,318,912
  5. Step 5: Solve for x
    x = 139,283,462,418,561,318,912/12,588,913,124.16
  6. Step 6: Final answer
    x = 11,063,978,362.93

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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.