Home / 12,730,588,376.09-17,440,990,783.41-12,253,436,239.37

Finding the Fourth Proportional to 12,730,588,376.09, 17,440,990,783.41 and 12,253,436,239.37

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Solution

The fourth proportional to 12,730,588,376.09, 17,440,990,783.41 and 12,253,436,239.37 is: 16,787,289,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730,588,376.09 : 17,440,990,783.41 = 12,253,436,239.37 : x
  2. Step 2: Convert to fraction form
    12,730,588,376.09/17,440,990,783.41 = 12,253,436,239.37/x
  3. Step 3: Cross multiply
    12,730,588,376.09x = 17,440,990,783.41 × 12,253,436,239.37
  4. Step 4: Simplify right side
    12,730,588,376.09x = 213,712,068,515,989,127,168
  5. Step 5: Solve for x
    x = 213,712,068,515,989,127,168/12,730,588,376.09
  6. Step 6: Final answer
    x = 16,787,289,181.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.