Home / 695,405,401.10-1,043,108,101.65-419,906,386.70

Finding the Fourth Proportional to 695,405,401.10, 1,043,108,101.65 and 419,906,386.70

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Solution

The fourth proportional to 695,405,401.10, 1,043,108,101.65 and 419,906,386.70 is: 629,859,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,405,401.10 : 1,043,108,101.65 = 419,906,386.70 : x
  2. Step 2: Convert to fraction form
    695,405,401.10/1,043,108,101.65 = 419,906,386.70/x
  3. Step 3: Cross multiply
    695,405,401.10x = 1,043,108,101.65 × 419,906,386.70
  4. Step 4: Simplify right side
    695,405,401.10x = 438,007,753,901,347,776
  5. Step 5: Solve for x
    x = 438,007,753,901,347,776/695,405,401.10
  6. Step 6: Final answer
    x = 629,859,580.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.