Home / 331,776,205.20-497,664,307.80-318,339,277.20

Finding the Fourth Proportional to 331,776,205.20, 497,664,307.80 and 318,339,277.20

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Solution

The fourth proportional to 331,776,205.20, 497,664,307.80 and 318,339,277.20 is: 477,508,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,205.20 : 497,664,307.80 = 318,339,277.20 : x
  2. Step 2: Convert to fraction form
    331,776,205.20/497,664,307.80 = 318,339,277.20/x
  3. Step 3: Cross multiply
    331,776,205.20x = 497,664,307.80 × 318,339,277.20
  4. Step 4: Simplify right side
    331,776,205.20x = 158,426,096,033,290,336
  5. Step 5: Solve for x
    x = 158,426,096,033,290,336/331,776,205.20
  6. Step 6: Final answer
    x = 477,508,915.80

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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.