Home / 448,492,079.40-672,738,119.10-293,523,883.80

Finding the Fourth Proportional to 448,492,079.40, 672,738,119.10 and 293,523,883.80

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Solution

The fourth proportional to 448,492,079.40, 672,738,119.10 and 293,523,883.80 is: 440,285,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,079.40 : 672,738,119.10 = 293,523,883.80 : x
  2. Step 2: Convert to fraction form
    448,492,079.40/672,738,119.10 = 293,523,883.80/x
  3. Step 3: Cross multiply
    448,492,079.40x = 672,738,119.10 × 293,523,883.80
  4. Step 4: Simplify right side
    448,492,079.40x = 197,464,705,498,538,976
  5. Step 5: Solve for x
    x = 197,464,705,498,538,976/448,492,079.40
  6. Step 6: Final answer
    x = 440,285,825.70

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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.