Finding the Fourth Proportional to 605,866,472.61, 836,059,699.20 and 351,528,126.09
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Solution
The fourth proportional to 605,866,472.61, 836,059,699.20 and 351,528,126.09 is: 485,087,907.39
Step by Step Solution
- Step 1: Write the proportion equation
605,866,472.61 : 836,059,699.20 = 351,528,126.09 : x - Step 2: Convert to fraction form
605,866,472.61/836,059,699.20 = 351,528,126.09/x - Step 3: Cross multiply
605,866,472.61x = 836,059,699.20 × 351,528,126.09 - Step 4: Simplify right side
605,866,472.61x = 293,898,499,359,145,088 - Step 5: Solve for x
x = 293,898,499,359,145,088/605,866,472.61 - Step 6: Final answer
x = 485,087,907.39
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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.