Home / 12,588,420,130.49-17,379,861,222.57-8,013,266,964.75

Finding the Fourth Proportional to 12,588,420,130.49, 17,379,861,222.57 and 8,013,266,964.75

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Solution

The fourth proportional to 12,588,420,130.49, 17,379,861,222.57 and 8,013,266,964.75 is: 11,063,299,948.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,420,130.49 : 17,379,861,222.57 = 8,013,266,964.75 : x
  2. Step 2: Convert to fraction form
    12,588,420,130.49/17,379,861,222.57 = 8,013,266,964.75/x
  3. Step 3: Cross multiply
    12,588,420,130.49x = 17,379,861,222.57 × 8,013,266,964.75
  4. Step 4: Simplify right side
    12,588,420,130.49x = 139,269,467,786,672,832,512
  5. Step 5: Solve for x
    x = 139,269,467,786,672,832,512/12,588,420,130.49
  6. Step 6: Final answer
    x = 11,063,299,948.92

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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.