Home / 4,137,371,915.40-6,209,081,181.90-2,912,931,851.40

Finding the Fourth Proportional to 4,137,371,915.40, 6,209,081,181.90 and 2,912,931,851.40

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Solution

The fourth proportional to 4,137,371,915.40, 6,209,081,181.90 and 2,912,931,851.40 is: 4,371,526,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137,371,915.40 : 6,209,081,181.90 = 2,912,931,851.40 : x
  2. Step 2: Convert to fraction form
    4,137,371,915.40/6,209,081,181.90 = 2,912,931,851.40/x
  3. Step 3: Cross multiply
    4,137,371,915.40x = 6,209,081,181.90 × 2,912,931,851.40
  4. Step 4: Simplify right side
    4,137,371,915.40x = 18,086,630,342,684,866,560
  5. Step 5: Solve for x
    x = 18,086,630,342,684,866,560/4,137,371,915.40
  6. Step 6: Final answer
    x = 4,371,526,348.73

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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.