Home / 8,661,565,351.62-11,952,640,120.40-4,701,181,989.06

Finding the Fourth Proportional to 8,661,565,351.62, 11,952,640,120.40 and 4,701,181,989.06

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Solution

The fourth proportional to 8,661,565,351.62, 11,952,640,120.40 and 4,701,181,989.06 is: 6,487,457,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,565,351.62 : 11,952,640,120.40 = 4,701,181,989.06 : x
  2. Step 2: Convert to fraction form
    8,661,565,351.62/11,952,640,120.40 = 4,701,181,989.06/x
  3. Step 3: Cross multiply
    8,661,565,351.62x = 11,952,640,120.40 × 4,701,181,989.06
  4. Step 4: Simplify right side
    8,661,565,351.62x = 56,191,536,455,740,432,384
  5. Step 5: Solve for x
    x = 56,191,536,455,740,432,384/8,661,565,351.62
  6. Step 6: Final answer
    x = 6,487,457,425.38

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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.