Home / 2,137,753,908.40-3,206,630,862.60-1,931,129,647.60

Finding the Fourth Proportional to 2,137,753,908.40, 3,206,630,862.60 and 1,931,129,647.60

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Solution

The fourth proportional to 2,137,753,908.40, 3,206,630,862.60 and 1,931,129,647.60 is: 2,896,694,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,753,908.40 : 3,206,630,862.60 = 1,931,129,647.60 : x
  2. Step 2: Convert to fraction form
    2,137,753,908.40/3,206,630,862.60 = 1,931,129,647.60/x
  3. Step 3: Cross multiply
    2,137,753,908.40x = 3,206,630,862.60 × 1,931,129,647.60
  4. Step 4: Simplify right side
    2,137,753,908.40x = 6,192,419,927,676,021,760
  5. Step 5: Solve for x
    x = 6,192,419,927,676,021,760/2,137,753,908.40
  6. Step 6: Final answer
    x = 2,896,694,471.40

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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.