Home / 613,127,197.89-845,989,225.97-352,316,425.41

Finding the Fourth Proportional to 613,127,197.89, 845,989,225.97 and 352,316,425.41

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Solution

The fourth proportional to 613,127,197.89, 845,989,225.97 and 352,316,425.41 is: 486,124,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,127,197.89 : 845,989,225.97 = 352,316,425.41 : x
  2. Step 2: Convert to fraction form
    613,127,197.89/845,989,225.97 = 352,316,425.41/x
  3. Step 3: Cross multiply
    613,127,197.89x = 845,989,225.97 × 352,316,425.41
  4. Step 4: Simplify right side
    613,127,197.89x = 298,055,900,027,361,600
  5. Step 5: Solve for x
    x = 298,055,900,027,361,600/613,127,197.89
  6. Step 6: Final answer
    x = 486,124,088.20

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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.