Finding the Fourth Proportional to 664,525,877.04, 917,064,209.64 and 367,187,374.96
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Solution
The fourth proportional to 664,525,877.04, 917,064,209.64 and 367,187,374.96 is: 506,728,799.35
Step by Step Solution
- Step 1: Write the proportion equation
664,525,877.04 : 917,064,209.64 = 367,187,374.96 : x - Step 2: Convert to fraction form
664,525,877.04/917,064,209.64 = 367,187,374.96/x - Step 3: Cross multiply
664,525,877.04x = 917,064,209.64 × 367,187,374.96 - Step 4: Simplify right side
664,525,877.04x = 336,734,399,807,478,720 - Step 5: Solve for x
x = 336,734,399,807,478,720/664,525,877.04 - Step 6: Final answer
x = 506,728,799.35
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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.