Home / 1,012,293,199.30-1,518,425,625.57-398,882,739.46

Finding the Fourth Proportional to 1,012,293,199.30, 1,518,425,625.57 and 398,882,739.46

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Solution

The fourth proportional to 1,012,293,199.30, 1,518,425,625.57 and 398,882,739.46 is: 598,318,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,293,199.30 : 1,518,425,625.57 = 398,882,739.46 : x
  2. Step 2: Convert to fraction form
    1,012,293,199.30/1,518,425,625.57 = 398,882,739.46/x
  3. Step 3: Cross multiply
    1,012,293,199.30x = 1,518,425,625.57 × 398,882,739.46
  4. Step 4: Simplify right side
    1,012,293,199.30x = 605,673,773,193,625,728
  5. Step 5: Solve for x
    x = 605,673,773,193,625,728/1,012,293,199.30
  6. Step 6: Final answer
    x = 598,318,524.33

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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.