Home / 6,418,193,478.72-8,855,780,675.38-3,705,414,273.60

Finding the Fourth Proportional to 6,418,193,478.72, 8,855,780,675.38 and 3,705,414,273.60

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Solution

The fourth proportional to 6,418,193,478.72, 8,855,780,675.38 and 3,705,414,273.60 is: 5,112,705,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,193,478.72 : 8,855,780,675.38 = 3,705,414,273.60 : x
  2. Step 2: Convert to fraction form
    6,418,193,478.72/8,855,780,675.38 = 3,705,414,273.60/x
  3. Step 3: Cross multiply
    6,418,193,478.72x = 8,855,780,675.38 × 3,705,414,273.60
  4. Step 4: Simplify right side
    6,418,193,478.72x = 32,814,336,118,424,096,768
  5. Step 5: Solve for x
    x = 32,814,336,118,424,096,768/6,418,193,478.72
  6. Step 6: Final answer
    x = 5,112,705,970.49

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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.