Home / 480,169,627.64-662,431,180.77-321,450,887.27

Finding the Fourth Proportional to 480,169,627.64, 662,431,180.77 and 321,450,887.27

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Solution

The fourth proportional to 480,169,627.64, 662,431,180.77 and 321,450,887.27 is: 443,466,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,169,627.64 : 662,431,180.77 = 321,450,887.27 : x
  2. Step 2: Convert to fraction form
    480,169,627.64/662,431,180.77 = 321,450,887.27/x
  3. Step 3: Cross multiply
    480,169,627.64x = 662,431,180.77 × 321,450,887.27
  4. Step 4: Simplify right side
    480,169,627.64x = 212,939,090,813,830,240
  5. Step 5: Solve for x
    x = 212,939,090,813,830,240/480,169,627.64
  6. Step 6: Final answer
    x = 443,466,388.87

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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.