Home / 613,127,195.89-845,989,223.20-352,316,423.41

Finding the Fourth Proportional to 613,127,195.89, 845,989,223.20 and 352,316,423.41

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Solution

The fourth proportional to 613,127,195.89, 845,989,223.20 and 352,316,423.41 is: 486,124,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,127,195.89 : 845,989,223.20 = 352,316,423.41 : x
  2. Step 2: Convert to fraction form
    613,127,195.89/845,989,223.20 = 352,316,423.41/x
  3. Step 3: Cross multiply
    613,127,195.89x = 845,989,223.20 × 352,316,423.41
  4. Step 4: Simplify right side
    613,127,195.89x = 298,055,897,361,228,224
  5. Step 5: Solve for x
    x = 298,055,897,361,228,224/613,127,195.89
  6. Step 6: Final answer
    x = 486,124,085.44

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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.