Home / 480,168,606.93-662,429,771.64-321,449,863.07

Finding the Fourth Proportional to 480,168,606.93, 662,429,771.64 and 321,449,863.07

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Solution

The fourth proportional to 480,168,606.93, 662,429,771.64 and 321,449,863.07 is: 443,464,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,168,606.93 : 662,429,771.64 = 321,449,863.07 : x
  2. Step 2: Convert to fraction form
    480,168,606.93/662,429,771.64 = 321,449,863.07/x
  3. Step 3: Cross multiply
    480,168,606.93x = 662,429,771.64 × 321,449,863.07
  4. Step 4: Simplify right side
    480,168,606.93x = 212,937,959,387,169,344
  5. Step 5: Solve for x
    x = 212,937,959,387,169,344/480,168,606.93
  6. Step 6: Final answer
    x = 443,464,975.25

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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.