Home / 456,140,721.82-684,274,681.77-141,032,478.46

Finding the Fourth Proportional to 456,140,721.82, 684,274,681.77 and 141,032,478.46

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Solution

The fourth proportional to 456,140,721.82, 684,274,681.77 and 141,032,478.46 is: 211,568,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,140,721.82 : 684,274,681.77 = 141,032,478.46 : x
  2. Step 2: Convert to fraction form
    456,140,721.82/684,274,681.77 = 141,032,478.46/x
  3. Step 3: Cross multiply
    456,140,721.82x = 684,274,681.77 × 141,032,478.46
  4. Step 4: Simplify right side
    456,140,721.82x = 96,504,954,317,450,880
  5. Step 5: Solve for x
    x = 96,504,954,317,450,880/456,140,721.82
  6. Step 6: Final answer
    x = 211,568,381.64

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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.