Home / 447,097,075.21-616,993,993.46-248,854,315.60

Finding the Fourth Proportional to 447,097,075.21, 616,993,993.46 and 248,854,315.60

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Solution

The fourth proportional to 447,097,075.21, 616,993,993.46 and 248,854,315.60 is: 343,418,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,097,075.21 : 616,993,993.46 = 248,854,315.60 : x
  2. Step 2: Convert to fraction form
    447,097,075.21/616,993,993.46 = 248,854,315.60/x
  3. Step 3: Cross multiply
    447,097,075.21x = 616,993,993.46 × 248,854,315.60
  4. Step 4: Simplify right side
    447,097,075.21x = 153,541,617,971,799,168
  5. Step 5: Solve for x
    x = 153,541,617,971,799,168/447,097,075.21
  6. Step 6: Final answer
    x = 343,418,972.04

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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.