Home / 11,089,335,760.69-15,308,560,288.21-7,429,314,270.77

Finding the Fourth Proportional to 11,089,335,760.69, 15,308,560,288.21 and 7,429,314,270.77

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Solution

The fourth proportional to 11,089,335,760.69, 15,308,560,288.21 and 7,429,314,270.77 is: 10,255,988,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089,335,760.69 : 15,308,560,288.21 = 7,429,314,270.77 : x
  2. Step 2: Convert to fraction form
    11,089,335,760.69/15,308,560,288.21 = 7,429,314,270.77/x
  3. Step 3: Cross multiply
    11,089,335,760.69x = 15,308,560,288.21 × 7,429,314,270.77
  4. Step 4: Simplify right side
    11,089,335,760.69x = 113,732,105,414,027,771,904
  5. Step 5: Solve for x
    x = 113,732,105,414,027,771,904/11,089,335,760.69
  6. Step 6: Final answer
    x = 10,255,988,985.13

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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.