Home / 323,712,277.20-485,568,415.80-286,298,830.80

Finding the Fourth Proportional to 323,712,277.20, 485,568,415.80 and 286,298,830.80

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Solution

The fourth proportional to 323,712,277.20, 485,568,415.80 and 286,298,830.80 is: 429,448,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,712,277.20 : 485,568,415.80 = 286,298,830.80 : x
  2. Step 2: Convert to fraction form
    323,712,277.20/485,568,415.80 = 286,298,830.80/x
  3. Step 3: Cross multiply
    323,712,277.20x = 485,568,415.80 × 286,298,830.80
  4. Step 4: Simplify right side
    323,712,277.20x = 139,017,669,716,948,256
  5. Step 5: Solve for x
    x = 139,017,669,716,948,256/323,712,277.20
  6. Step 6: Final answer
    x = 429,448,246.20

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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.