Home / 6,117,185,977.15-8,438,660,638.99-3,861,920,576.83

Finding the Fourth Proportional to 6,117,185,977.15, 8,438,660,638.99 and 3,861,920,576.83

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Solution

The fourth proportional to 6,117,185,977.15, 8,438,660,638.99 and 3,861,920,576.83 is: 5,327,521,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117,185,977.15 : 8,438,660,638.99 = 3,861,920,576.83 : x
  2. Step 2: Convert to fraction form
    6,117,185,977.15/8,438,660,638.99 = 3,861,920,576.83/x
  3. Step 3: Cross multiply
    6,117,185,977.15x = 8,438,660,638.99 × 3,861,920,576.83
  4. Step 4: Simplify right side
    6,117,185,977.15x = 32,589,437,162,600,873,984
  5. Step 5: Solve for x
    x = 32,589,437,162,600,873,984/6,117,185,977.15
  6. Step 6: Final answer
    x = 5,327,521,066.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.