Home / 329,691,801.30-494,537,701.95-99,630,992.40

Finding the Fourth Proportional to 329,691,801.30, 494,537,701.95 and 99,630,992.40

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Solution

The fourth proportional to 329,691,801.30, 494,537,701.95 and 99,630,992.40 is: 149,446,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,691,801.30 : 494,537,701.95 = 99,630,992.40 : x
  2. Step 2: Convert to fraction form
    329,691,801.30/494,537,701.95 = 99,630,992.40/x
  3. Step 3: Cross multiply
    329,691,801.30x = 494,537,701.95 × 99,630,992.40
  4. Step 4: Simplify right side
    329,691,801.30x = 49,271,282,024,493,920
  5. Step 5: Solve for x
    x = 49,271,282,024,493,920/329,691,801.30
  6. Step 6: Final answer
    x = 149,446,488.60

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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.