Home / 10,212,142,334.68-15,296,761,609.76-6,479,512,400.32

Finding the Fourth Proportional to 10,212,142,334.68, 15,296,761,609.76 and 6,479,512,400.32

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Solution

The fourth proportional to 10,212,142,334.68, 15,296,761,609.76 and 6,479,512,400.32 is: 9,705,657,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212,142,334.68 : 15,296,761,609.76 = 6,479,512,400.32 : x
  2. Step 2: Convert to fraction form
    10,212,142,334.68/15,296,761,609.76 = 6,479,512,400.32/x
  3. Step 3: Cross multiply
    10,212,142,334.68x = 15,296,761,609.76 × 6,479,512,400.32
  4. Step 4: Simplify right side
    10,212,142,334.68x = 99,115,556,535,178,838,016
  5. Step 5: Solve for x
    x = 99,115,556,535,178,838,016/10,212,142,334.68
  6. Step 6: Final answer
    x = 9,705,657,567.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.