Home / 306,056,343,198.16-422,510,663,211.22-190,350,398,111.50

Finding the Fourth Proportional to 306,056,343,198.16, 422,510,663,211.22 and 190,350,398,111.50

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Solution

The fourth proportional to 306,056,343,198.16, 422,510,663,211.22 and 190,350,398,111.50 is: 262,778,650,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,056,343,198.16 : 422,510,663,211.22 = 190,350,398,111.50 : x
  2. Step 2: Convert to fraction form
    306,056,343,198.16/422,510,663,211.22 = 190,350,398,111.50/x
  3. Step 3: Cross multiply
    306,056,343,198.16x = 422,510,663,211.22 × 190,350,398,111.50
  4. Step 4: Simplify right side
    306,056,343,198.16x = 80,425,072,948,609,615,396,864
  5. Step 5: Solve for x
    x = 80,425,072,948,609,615,396,864/306,056,343,198.16
  6. Step 6: Final answer
    x = 262,778,650,846.45

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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.