Home / 448,492,074.40-672,738,111.60-293,523,878.80

Finding the Fourth Proportional to 448,492,074.40, 672,738,111.60 and 293,523,878.80

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Solution

The fourth proportional to 448,492,074.40, 672,738,111.60 and 293,523,878.80 is: 440,285,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,074.40 : 672,738,111.60 = 293,523,878.80 : x
  2. Step 2: Convert to fraction form
    448,492,074.40/672,738,111.60 = 293,523,878.80/x
  3. Step 3: Cross multiply
    448,492,074.40x = 672,738,111.60 × 293,523,878.80
  4. Step 4: Simplify right side
    448,492,074.40x = 197,464,699,933,419,296
  5. Step 5: Solve for x
    x = 197,464,699,933,419,296/448,492,074.40
  6. Step 6: Final answer
    x = 440,285,818.20

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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.