Home / 585,748,356.31-808,345,077.96-321,428,037.43

Finding the Fourth Proportional to 585,748,356.31, 808,345,077.96 and 321,428,037.43

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Solution

The fourth proportional to 585,748,356.31, 808,345,077.96 and 321,428,037.43 is: 443,577,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,748,356.31 : 808,345,077.96 = 321,428,037.43 : x
  2. Step 2: Convert to fraction form
    585,748,356.31/808,345,077.96 = 321,428,037.43/x
  3. Step 3: Cross multiply
    585,748,356.31x = 808,345,077.96 × 321,428,037.43
  4. Step 4: Simplify right side
    585,748,356.31x = 259,824,771,974,883,168
  5. Step 5: Solve for x
    x = 259,824,771,974,883,168/585,748,356.31
  6. Step 6: Final answer
    x = 443,577,466.63

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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.