Home / 8,190,364,308.72-11,310,508,870.16-7,744,158,484.48

Finding the Fourth Proportional to 8,190,364,308.72, 11,310,508,870.16 and 7,744,158,484.48

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Solution

The fourth proportional to 8,190,364,308.72, 11,310,508,870.16 and 7,744,158,484.48 is: 10,694,319,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,364,308.72 : 11,310,508,870.16 = 7,744,158,484.48 : x
  2. Step 2: Convert to fraction form
    8,190,364,308.72/11,310,508,870.16 = 7,744,158,484.48/x
  3. Step 3: Cross multiply
    8,190,364,308.72x = 11,310,508,870.16 × 7,744,158,484.48
  4. Step 4: Simplify right side
    8,190,364,308.72x = 87,590,373,230,635,859,968
  5. Step 5: Solve for x
    x = 87,590,373,230,635,859,968/8,190,364,308.72
  6. Step 6: Final answer
    x = 10,694,319,560.04

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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.