Home / 338,688,002.40-508,032,003.60-231,192,578.40

Finding the Fourth Proportional to 338,688,002.40, 508,032,003.60 and 231,192,578.40

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Solution

The fourth proportional to 338,688,002.40, 508,032,003.60 and 231,192,578.40 is: 346,788,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,688,002.40 : 508,032,003.60 = 231,192,578.40 : x
  2. Step 2: Convert to fraction form
    338,688,002.40/508,032,003.60 = 231,192,578.40/x
  3. Step 3: Cross multiply
    338,688,002.40x = 508,032,003.60 × 231,192,578.40
  4. Step 4: Simplify right side
    338,688,002.40x = 117,453,228,822,002,096
  5. Step 5: Solve for x
    x = 117,453,228,822,002,096/338,688,002.40
  6. Step 6: Final answer
    x = 346,788,867.60

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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.