Home / 616,038,945,198.49-849,151,468,170.36-485,615,108,803.18

Finding the Fourth Proportional to 616,038,945,198.49, 849,151,468,170.36 and 485,615,108,803.18

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Solution

The fourth proportional to 616,038,945,198.49, 849,151,468,170.36 and 485,615,108,803.18 is: 669,374,535,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,038,945,198.49 : 849,151,468,170.36 = 485,615,108,803.18 : x
  2. Step 2: Convert to fraction form
    616,038,945,198.49/849,151,468,170.36 = 485,615,108,803.18/x
  3. Step 3: Cross multiply
    616,038,945,198.49x = 849,151,468,170.36 × 485,615,108,803.18
  4. Step 4: Simplify right side
    616,038,945,198.49x = 412,360,782,605,929,414,656,000
  5. Step 5: Solve for x
    x = 412,360,782,605,929,414,656,000/616,038,945,198.49
  6. Step 6: Final answer
    x = 669,374,535,197.71

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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.