Home / 806,568,515.90-1,112,769,297.07-488,799,521.56

Finding the Fourth Proportional to 806,568,515.90, 1,112,769,297.07 and 488,799,521.56

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Solution

The fourth proportional to 806,568,515.90, 1,112,769,297.07 and 488,799,521.56 is: 674,364,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,568,515.90 : 1,112,769,297.07 = 488,799,521.56 : x
  2. Step 2: Convert to fraction form
    806,568,515.90/1,112,769,297.07 = 488,799,521.56/x
  3. Step 3: Cross multiply
    806,568,515.90x = 1,112,769,297.07 × 488,799,521.56
  4. Step 4: Simplify right side
    806,568,515.90x = 543,921,100,014,473,472
  5. Step 5: Solve for x
    x = 543,921,100,014,473,472/806,568,515.90
  6. Step 6: Final answer
    x = 674,364,408.34

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1.5x scale

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.