Finding the Fourth Proportional to 544,968,393.12, 753,040,132.47 and 388,063,095.12
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Solution
The fourth proportional to 544,968,393.12, 753,040,132.47 and 388,063,095.12 is: 536,227,583.55
Step by Step Solution
- Step 1: Write the proportion equation
544,968,393.12 : 753,040,132.47 = 388,063,095.12 : x - Step 2: Convert to fraction form
544,968,393.12/753,040,132.47 = 388,063,095.12/x - Step 3: Cross multiply
544,968,393.12x = 753,040,132.47 × 388,063,095.12 - Step 4: Simplify right side
544,968,393.12x = 292,227,084,555,883,008 - Step 5: Solve for x
x = 292,227,084,555,883,008/544,968,393.12 - Step 6: Final answer
x = 536,227,583.55
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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.