Home / 7,280,736,005.30-10,921,104,007.96-7,076,662,661.30

Finding the Fourth Proportional to 7,280,736,005.30, 10,921,104,007.96 and 7,076,662,661.30

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Solution

The fourth proportional to 7,280,736,005.30, 10,921,104,007.96 and 7,076,662,661.30 is: 10,614,993,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,736,005.30 : 10,921,104,007.96 = 7,076,662,661.30 : x
  2. Step 2: Convert to fraction form
    7,280,736,005.30/10,921,104,007.96 = 7,076,662,661.30/x
  3. Step 3: Cross multiply
    7,280,736,005.30x = 10,921,104,007.96 × 7,076,662,661.30
  4. Step 4: Simplify right side
    7,280,736,005.30x = 77,284,968,953,304,301,568
  5. Step 5: Solve for x
    x = 77,284,968,953,304,301,568/7,280,736,005.30
  6. Step 6: Final answer
    x = 10,614,993,991.96

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Double scale
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Similar ratio
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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.