Home / 585,748,355.31-808,345,076.58-321,428,036.43

Finding the Fourth Proportional to 585,748,355.31, 808,345,076.58 and 321,428,036.43

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Solution

The fourth proportional to 585,748,355.31, 808,345,076.58 and 321,428,036.43 is: 443,577,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,748,355.31 : 808,345,076.58 = 321,428,036.43 : x
  2. Step 2: Convert to fraction form
    585,748,355.31/808,345,076.58 = 321,428,036.43/x
  3. Step 3: Cross multiply
    585,748,355.31x = 808,345,076.58 × 321,428,036.43
  4. Step 4: Simplify right side
    585,748,355.31x = 259,824,770,722,967,392
  5. Step 5: Solve for x
    x = 259,824,770,722,967,392/585,748,355.31
  6. Step 6: Final answer
    x = 443,577,465.25

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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.