Finding the Fourth Proportional to 394,413,802.80, 590,486,963.40 and 241,358,794.80
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Solution
The fourth proportional to 394,413,802.80, 590,486,963.40 and 241,358,794.80 is: 361,344,407.37
Step by Step Solution
- Step 1: Write the proportion equation
394,413,802.80 : 590,486,963.40 = 241,358,794.80 : x - Step 2: Convert to fraction form
394,413,802.80/590,486,963.40 = 241,358,794.80/x - Step 3: Cross multiply
394,413,802.80x = 590,486,963.40 × 241,358,794.80 - Step 4: Simplify right side
394,413,802.80x = 142,519,221,831,335,712 - Step 5: Solve for x
x = 142,519,221,831,335,712/394,413,802.80 - Step 6: Final answer
x = 361,344,407.37
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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.