Home / 207,012,145,066.60-310,518,217,599.90-198,885,491,012.20

Finding the Fourth Proportional to 207,012,145,066.60, 310,518,217,599.90 and 198,885,491,012.20

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Solution

The fourth proportional to 207,012,145,066.60, 310,518,217,599.90 and 198,885,491,012.20 is: 298,328,236,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,012,145,066.60 : 310,518,217,599.90 = 198,885,491,012.20 : x
  2. Step 2: Convert to fraction form
    207,012,145,066.60/310,518,217,599.90 = 198,885,491,012.20/x
  3. Step 3: Cross multiply
    207,012,145,066.60x = 310,518,217,599.90 × 198,885,491,012.20
  4. Step 4: Simplify right side
    207,012,145,066.60x = 61,757,568,175,589,281,497,088
  5. Step 5: Solve for x
    x = 61,757,568,175,589,281,497,088/207,012,145,066.60
  6. Step 6: Final answer
    x = 298,328,236,518.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.