Home / 12,440,695,015.37-18,674,322,256.64-5,361,671,415.69

Finding the Fourth Proportional to 12,440,695,015.37, 18,674,322,256.64 and 5,361,671,415.69

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Solution

The fourth proportional to 12,440,695,015.37, 18,674,322,256.64 and 5,361,671,415.69 is: 8,048,230,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,695,015.37 : 18,674,322,256.64 = 5,361,671,415.69 : x
  2. Step 2: Convert to fraction form
    12,440,695,015.37/18,674,322,256.64 = 5,361,671,415.69/x
  3. Step 3: Cross multiply
    12,440,695,015.37x = 18,674,322,256.64 × 5,361,671,415.69
  4. Step 4: Simplify right side
    12,440,695,015.37x = 100,125,579,850,820,976,640
  5. Step 5: Solve for x
    x = 100,125,579,850,820,976,640/12,440,695,015.37
  6. Step 6: Final answer
    x = 8,048,230,402.49

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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.