Finding the Fourth Proportional to 577,955,136.83, 797,578,094.12 and 313,637,129.48
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Solution
The fourth proportional to 577,955,136.83, 797,578,094.12 and 313,637,129.48 is: 432,819,241.55
Step by Step Solution
- Step 1: Write the proportion equation
577,955,136.83 : 797,578,094.12 = 313,637,129.48 : x - Step 2: Convert to fraction form
577,955,136.83/797,578,094.12 = 313,637,129.48/x - Step 3: Cross multiply
577,955,136.83x = 797,578,094.12 × 313,637,129.48 - Step 4: Simplify right side
577,955,136.83x = 250,150,103,970,370,016 - Step 5: Solve for x
x = 250,150,103,970,370,016/577,955,136.83 - Step 6: Final answer
x = 432,819,241.55
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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.