Home / 531,291,080.34-733,416,790.78-343,211,079.62

Finding the Fourth Proportional to 531,291,080.34, 733,416,790.78 and 343,211,079.62

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Solution

The fourth proportional to 531,291,080.34, 733,416,790.78 and 343,211,079.62 is: 473,783,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,291,080.34 : 733,416,790.78 = 343,211,079.62 : x
  2. Step 2: Convert to fraction form
    531,291,080.34/733,416,790.78 = 343,211,079.62/x
  3. Step 3: Cross multiply
    531,291,080.34x = 733,416,790.78 × 343,211,079.62
  4. Step 4: Simplify right side
    531,291,080.34x = 251,716,768,577,302,016
  5. Step 5: Solve for x
    x = 251,716,768,577,302,016/531,291,080.34
  6. Step 6: Final answer
    x = 473,783,163.11

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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.