Home / 448,492,085.70-672,738,128.55-327,559,733.70

Finding the Fourth Proportional to 448,492,085.70, 672,738,128.55 and 327,559,733.70

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Solution

The fourth proportional to 448,492,085.70, 672,738,128.55 and 327,559,733.70 is: 491,339,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,085.70 : 672,738,128.55 = 327,559,733.70 : x
  2. Step 2: Convert to fraction form
    448,492,085.70/672,738,128.55 = 327,559,733.70/x
  3. Step 3: Cross multiply
    448,492,085.70x = 672,738,128.55 × 327,559,733.70
  4. Step 4: Simplify right side
    448,492,085.70x = 220,361,922,237,674,336
  5. Step 5: Solve for x
    x = 220,361,922,237,674,336/448,492,085.70
  6. Step 6: Final answer
    x = 491,339,600.55

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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.