Home / 13,706,483,857.19-18,910,426,300.01-8,278,991,475.15

Finding the Fourth Proportional to 13,706,483,857.19, 18,910,426,300.01 and 8,278,991,475.15

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Solution

The fourth proportional to 13,706,483,857.19, 18,910,426,300.01 and 8,278,991,475.15 is: 11,422,277,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,483,857.19 : 18,910,426,300.01 = 8,278,991,475.15 : x
  2. Step 2: Convert to fraction form
    13,706,483,857.19/18,910,426,300.01 = 8,278,991,475.15/x
  3. Step 3: Cross multiply
    13,706,483,857.19x = 18,910,426,300.01 × 8,278,991,475.15
  4. Step 4: Simplify right side
    13,706,483,857.19x = 156,559,258,129,209,393,152
  5. Step 5: Solve for x
    x = 156,559,258,129,209,393,152/13,706,483,857.19
  6. Step 6: Final answer
    x = 11,422,277,205.48

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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.