Home / 8,435,419,285.72-11,640,433,707.98-4,817,731,801.68

Finding the Fourth Proportional to 8,435,419,285.72, 11,640,433,707.98 and 4,817,731,801.68

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Solution

The fourth proportional to 8,435,419,285.72, 11,640,433,707.98 and 4,817,731,801.68 is: 6,648,215,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435,419,285.72 : 11,640,433,707.98 = 4,817,731,801.68 : x
  2. Step 2: Convert to fraction form
    8,435,419,285.72/11,640,433,707.98 = 4,817,731,801.68/x
  3. Step 3: Cross multiply
    8,435,419,285.72x = 11,640,433,707.98 × 4,817,731,801.68
  4. Step 4: Simplify right side
    8,435,419,285.72x = 56,080,487,660,283,092,992
  5. Step 5: Solve for x
    x = 56,080,487,660,283,092,992/8,435,419,285.72
  6. Step 6: Final answer
    x = 6,648,215,786.41

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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.