Home / 323,712,149.20-485,568,223.80-286,298,702.80

Finding the Fourth Proportional to 323,712,149.20, 485,568,223.80 and 286,298,702.80

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Solution

The fourth proportional to 323,712,149.20, 485,568,223.80 and 286,298,702.80 is: 429,448,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,712,149.20 : 485,568,223.80 = 286,298,702.80 : x
  2. Step 2: Convert to fraction form
    323,712,149.20/485,568,223.80 = 286,298,702.80/x
  3. Step 3: Cross multiply
    323,712,149.20x = 485,568,223.80 × 286,298,702.80
  4. Step 4: Simplify right side
    323,712,149.20x = 139,017,552,594,840,096
  5. Step 5: Solve for x
    x = 139,017,552,594,840,096/323,712,149.20
  6. Step 6: Final answer
    x = 429,448,054.20

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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.