Home / 338,688,020.80-508,032,031.20-336,299,233.60

Finding the Fourth Proportional to 338,688,020.80, 508,032,031.20 and 336,299,233.60

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Solution

The fourth proportional to 338,688,020.80, 508,032,031.20 and 336,299,233.60 is: 504,448,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,688,020.80 : 508,032,031.20 = 336,299,233.60 : x
  2. Step 2: Convert to fraction form
    338,688,020.80/508,032,031.20 = 336,299,233.60/x
  3. Step 3: Cross multiply
    338,688,020.80x = 508,032,031.20 × 336,299,233.60
  4. Step 4: Simplify right side
    338,688,020.80x = 170,850,782,736,811,296
  5. Step 5: Solve for x
    x = 170,850,782,736,811,296/338,688,020.80
  6. Step 6: Final answer
    x = 504,448,850.40

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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.