Home / 6,117,185,976.15-8,438,660,637.62-3,861,920,575.83

Finding the Fourth Proportional to 6,117,185,976.15, 8,438,660,637.62 and 3,861,920,575.83

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Solution

The fourth proportional to 6,117,185,976.15, 8,438,660,637.62 and 3,861,920,575.83 is: 5,327,521,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117,185,976.15 : 8,438,660,637.62 = 3,861,920,575.83 : x
  2. Step 2: Convert to fraction form
    6,117,185,976.15/8,438,660,637.62 = 3,861,920,575.83/x
  3. Step 3: Cross multiply
    6,117,185,976.15x = 8,438,660,637.62 × 3,861,920,575.83
  4. Step 4: Simplify right side
    6,117,185,976.15x = 32,589,437,148,852,072,448
  5. Step 5: Solve for x
    x = 32,589,437,148,852,072,448/6,117,185,976.15
  6. Step 6: Final answer
    x = 5,327,521,065.39

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Double scale
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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.