Home / 622,081,314-858,498,293.90-357,763,513.48

Finding the Fourth Proportional to 622,081,314, 858,498,293.90 and 357,763,513.48

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Solution

The fourth proportional to 622,081,314, 858,498,293.90 and 357,763,513.48 is: 493,728,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,081,314 : 858,498,293.90 = 357,763,513.48 : x
  2. Step 2: Convert to fraction form
    622,081,314/858,498,293.90 = 357,763,513.48/x
  3. Step 3: Cross multiply
    622,081,314x = 858,498,293.90 × 357,763,513.48
  4. Step 4: Simplify right side
    622,081,314x = 307,139,365,938,314,624
  5. Step 5: Solve for x
    x = 307,139,365,938,314,624/622,081,314
  6. Step 6: Final answer
    x = 493,728,647.73

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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.