Finding the Fourth Proportional to 908,107,247.16, 1,253,187,952.74 and 490,419,491.94
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Solution
The fourth proportional to 908,107,247.16, 1,253,187,952.74 and 490,419,491.94 is: 676,778,872.77
Step by Step Solution
- Step 1: Write the proportion equation
908,107,247.16 : 1,253,187,952.74 = 490,419,491.94 : x - Step 2: Convert to fraction form
908,107,247.16/1,253,187,952.74 = 490,419,491.94/x - Step 3: Cross multiply
908,107,247.16x = 1,253,187,952.74 × 490,419,491.94 - Step 4: Simplify right side
908,107,247.16x = 614,587,799,088,079,488 - Step 5: Solve for x
x = 614,587,799,088,079,488/908,107,247.16 - Step 6: Final answer
x = 676,778,872.77
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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.