Home / 478,014,745.20-717,022,117.80-283,826,203.80

Finding the Fourth Proportional to 478,014,745.20, 717,022,117.80 and 283,826,203.80

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Solution

The fourth proportional to 478,014,745.20, 717,022,117.80 and 283,826,203.80 is: 425,739,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,014,745.20 : 717,022,117.80 = 283,826,203.80 : x
  2. Step 2: Convert to fraction form
    478,014,745.20/717,022,117.80 = 283,826,203.80/x
  3. Step 3: Cross multiply
    478,014,745.20x = 717,022,117.80 × 283,826,203.80
  4. Step 4: Simplify right side
    478,014,745.20x = 203,509,665,735,810,400
  5. Step 5: Solve for x
    x = 203,509,665,735,810,400/478,014,745.20
  6. Step 6: Final answer
    x = 425,739,305.70

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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.