Finding the Fourth Proportional to 664,525,773.36, 917,064,069.84 and 367,187,275.44
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Solution
The fourth proportional to 664,525,773.36, 917,064,069.84 and 367,187,275.44 is: 506,728,663.82
Step by Step Solution
- Step 1: Write the proportion equation
664,525,773.36 : 917,064,069.84 = 367,187,275.44 : x - Step 2: Convert to fraction form
664,525,773.36/917,064,069.84 = 367,187,275.44/x - Step 3: Cross multiply
664,525,773.36x = 917,064,069.84 × 367,187,275.44 - Step 4: Simplify right side
664,525,773.36x = 336,734,257,208,467,456 - Step 5: Solve for x
x = 336,734,257,208,467,456/664,525,773.36 - Step 6: Final answer
x = 506,728,663.82
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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.