Home / 11,342,815,146.47-15,660,149,147.45-7,220,527,012.07

Finding the Fourth Proportional to 11,342,815,146.47, 15,660,149,147.45 and 7,220,527,012.07

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Solution

The fourth proportional to 11,342,815,146.47, 15,660,149,147.45 and 7,220,527,012.07 is: 9,968,824,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342,815,146.47 : 15,660,149,147.45 = 7,220,527,012.07 : x
  2. Step 2: Convert to fraction form
    11,342,815,146.47/15,660,149,147.45 = 7,220,527,012.07/x
  3. Step 3: Cross multiply
    11,342,815,146.47x = 15,660,149,147.45 × 7,220,527,012.07
  4. Step 4: Simplify right side
    11,342,815,146.47x = 113,074,529,932,232,425,472
  5. Step 5: Solve for x
    x = 113,074,529,932,232,425,472/11,342,815,146.47
  6. Step 6: Final answer
    x = 9,968,824,182.72

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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.