Home / 279,090,516,543.44-385,142,953,584.84-152,360,969,919.44

Finding the Fourth Proportional to 279,090,516,543.44, 385,142,953,584.84 and 152,360,969,919.44

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Solution

The fourth proportional to 279,090,516,543.44, 385,142,953,584.84 and 152,360,969,919.44 is: 210,257,068,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,090,516,543.44 : 385,142,953,584.84 = 152,360,969,919.44 : x
  2. Step 2: Convert to fraction form
    279,090,516,543.44/385,142,953,584.84 = 152,360,969,919.44/x
  3. Step 3: Cross multiply
    279,090,516,543.44x = 385,142,953,584.84 × 152,360,969,919.44
  4. Step 4: Simplify right side
    279,090,516,543.44x = 58,680,753,965,824,089,260,032
  5. Step 5: Solve for x
    x = 58,680,753,965,824,089,260,032/279,090,516,543.44
  6. Step 6: Final answer
    x = 210,257,068,898.62

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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.