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Finding the Fourth Proportional to 12,459,510,880,888, 18,689,266,321,330 and 12,459,510,880,888

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Solution

The fourth proportional to 12,459,510,880,888, 18,689,266,321,330 and 12,459,510,880,888 is: 18,689,266,321,330

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,510,880,888 : 18,689,266,321,330 = 12,459,510,880,888 : x
  2. Step 2: Convert to fraction form
    12,459,510,880,888/18,689,266,321,330 = 12,459,510,880,888/x
  3. Step 3: Cross multiply
    12,459,510,880,888x = 18,689,266,321,330 × 12,459,510,880,888
  4. Step 4: Simplify right side
    12,459,510,880,888x = 232,859,117,086,424,777,529,229,312
  5. Step 5: Solve for x
    x = 232,859,117,086,424,777,529,229,312/12,459,510,880,888
  6. Step 6: Final answer
    x = 18,689,266,321,330

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.