Home / 13,325,590,634.56-19,869,251,649.92-12,959,478,273.76

Finding the Fourth Proportional to 13,325,590,634.56, 19,869,251,649.92 and 12,959,478,273.76

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Solution

The fourth proportional to 13,325,590,634.56, 19,869,251,649.92 and 12,959,478,273.76 is: 19,323,356,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,590,634.56 : 19,869,251,649.92 = 12,959,478,273.76 : x
  2. Step 2: Convert to fraction form
    13,325,590,634.56/19,869,251,649.92 = 12,959,478,273.76/x
  3. Step 3: Cross multiply
    13,325,590,634.56x = 19,869,251,649.92 × 12,959,478,273.76
  4. Step 4: Simplify right side
    13,325,590,634.56x = 257,495,135,073,008,254,976
  5. Step 5: Solve for x
    x = 257,495,135,073,008,254,976/13,325,590,634.56
  6. Step 6: Final answer
    x = 19,323,356,249.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.