Home / 338,688,013.80-508,032,020.70-336,299,226.60

Finding the Fourth Proportional to 338,688,013.80, 508,032,020.70 and 336,299,226.60

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Solution

The fourth proportional to 338,688,013.80, 508,032,020.70 and 336,299,226.60 is: 504,448,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,688,013.80 : 508,032,020.70 = 336,299,226.60 : x
  2. Step 2: Convert to fraction form
    338,688,013.80/508,032,020.70 = 336,299,226.60/x
  3. Step 3: Cross multiply
    338,688,013.80x = 508,032,020.70 × 336,299,226.60
  4. Step 4: Simplify right side
    338,688,013.80x = 170,850,775,649,445,184
  5. Step 5: Solve for x
    x = 170,850,775,649,445,184/338,688,013.80
  6. Step 6: Final answer
    x = 504,448,839.90

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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.