Home / 1,219,497,055.56-1,682,921,242.38-662,589,402.84

Finding the Fourth Proportional to 1,219,497,055.56, 1,682,921,242.38 and 662,589,402.84

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Solution

The fourth proportional to 1,219,497,055.56, 1,682,921,242.38 and 662,589,402.84 is: 914,381,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,497,055.56 : 1,682,921,242.38 = 662,589,402.84 : x
  2. Step 2: Convert to fraction form
    1,219,497,055.56/1,682,921,242.38 = 662,589,402.84/x
  3. Step 3: Cross multiply
    1,219,497,055.56x = 1,682,921,242.38 × 662,589,402.84
  4. Step 4: Simplify right side
    1,219,497,055.56x = 1,115,085,781,015,315,200
  5. Step 5: Solve for x
    x = 1,115,085,781,015,315,200/1,219,497,055.56
  6. Step 6: Final answer
    x = 914,381,691.97

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Double scale
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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.