Home / 585,748,395.58-808,345,131.78-321,428,076.16

Finding the Fourth Proportional to 585,748,395.58, 808,345,131.78 and 321,428,076.16

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Solution

The fourth proportional to 585,748,395.58, 808,345,131.78 and 321,428,076.16 is: 443,577,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,748,395.58 : 808,345,131.78 = 321,428,076.16 : x
  2. Step 2: Convert to fraction form
    585,748,395.58/808,345,131.78 = 321,428,076.16/x
  3. Step 3: Cross multiply
    585,748,395.58x = 808,345,131.78 × 321,428,076.16
  4. Step 4: Simplify right side
    585,748,395.58x = 259,824,820,581,347,104
  5. Step 5: Solve for x
    x = 259,824,820,581,347,104/585,748,395.58
  6. Step 6: Final answer
    x = 443,577,519.87

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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.