Home / 323,712,152.70-485,568,229.05-286,298,706.30

Finding the Fourth Proportional to 323,712,152.70, 485,568,229.05 and 286,298,706.30

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Solution

The fourth proportional to 323,712,152.70, 485,568,229.05 and 286,298,706.30 is: 429,448,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,712,152.70 : 485,568,229.05 = 286,298,706.30 : x
  2. Step 2: Convert to fraction form
    323,712,152.70/485,568,229.05 = 286,298,706.30/x
  3. Step 3: Cross multiply
    323,712,152.70x = 485,568,229.05 × 286,298,706.30
  4. Step 4: Simplify right side
    323,712,152.70x = 139,017,555,797,397,088
  5. Step 5: Solve for x
    x = 139,017,555,797,397,088/323,712,152.70
  6. Step 6: Final answer
    x = 429,448,059.45

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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.