Home / 347,735,998.80-521,603,998.20-321,459,339.60

Finding the Fourth Proportional to 347,735,998.80, 521,603,998.20 and 321,459,339.60

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Solution

The fourth proportional to 347,735,998.80, 521,603,998.20 and 321,459,339.60 is: 482,189,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,735,998.80 : 521,603,998.20 = 321,459,339.60 : x
  2. Step 2: Convert to fraction form
    347,735,998.80/521,603,998.20 = 321,459,339.60/x
  3. Step 3: Cross multiply
    347,735,998.80x = 521,603,998.20 × 321,459,339.60
  4. Step 4: Simplify right side
    347,735,998.80x = 167,674,476,794,091,584
  5. Step 5: Solve for x
    x = 167,674,476,794,091,584/347,735,998.80
  6. Step 6: Final answer
    x = 482,189,009.40

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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.