Finding the Fourth Proportional to 742,448,239.36, 1,113,665,267.04 and 451,395,718.72
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Solution
The fourth proportional to 742,448,239.36, 1,113,665,267.04 and 451,395,718.72 is: 677,089,266.27
Step by Step Solution
- Step 1: Write the proportion equation
742,448,239.36 : 1,113,665,267.04 = 451,395,718.72 : x - Step 2: Convert to fraction form
742,448,239.36/1,113,665,267.04 = 451,395,718.72/x - Step 3: Cross multiply
742,448,239.36x = 1,113,665,267.04 × 451,395,718.72 - Step 4: Simplify right side
742,448,239.36x = 502,703,733,629,021,568 - Step 5: Solve for x
x = 502,703,733,629,021,568/742,448,239.36 - Step 6: Final answer
x = 677,089,266.27
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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.