Home / 628,622,808.93-867,226,893.73-374,161,483.54

Finding the Fourth Proportional to 628,622,808.93, 867,226,893.73 and 374,161,483.54

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Solution

The fourth proportional to 628,622,808.93, 867,226,893.73 and 374,161,483.54 is: 516,180,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,622,808.93 : 867,226,893.73 = 374,161,483.54 : x
  2. Step 2: Convert to fraction form
    628,622,808.93/867,226,893.73 = 374,161,483.54/x
  3. Step 3: Cross multiply
    628,622,808.93x = 867,226,893.73 × 374,161,483.54
  4. Step 4: Simplify right side
    628,622,808.93x = 324,482,901,118,229,184
  5. Step 5: Solve for x
    x = 324,482,901,118,229,184/628,622,808.93
  6. Step 6: Final answer
    x = 516,180,603.87

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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.