Home / 425,999,820.72-587,712,745.20-247,353,197.52

Finding the Fourth Proportional to 425,999,820.72, 587,712,745.20 and 247,353,197.52

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Solution

The fourth proportional to 425,999,820.72, 587,712,745.20 and 247,353,197.52 is: 341,250,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,999,820.72 : 587,712,745.20 = 247,353,197.52 : x
  2. Step 2: Convert to fraction form
    425,999,820.72/587,712,745.20 = 247,353,197.52/x
  3. Step 3: Cross multiply
    425,999,820.72x = 587,712,745.20 × 247,353,197.52
  4. Step 4: Simplify right side
    425,999,820.72x = 145,372,626,748,477,056
  5. Step 5: Solve for x
    x = 145,372,626,748,477,056/425,999,820.72
  6. Step 6: Final answer
    x = 341,250,441.15

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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.