Finding the Fourth Proportional to 635,747,149.84, 877,133,888.04 and 371,238,336.40
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Solution
The fourth proportional to 635,747,149.84, 877,133,888.04 and 371,238,336.40 is: 512,193,763.63
Step by Step Solution
- Step 1: Write the proportion equation
635,747,149.84 : 877,133,888.04 = 371,238,336.40 : x - Step 2: Convert to fraction form
635,747,149.84/877,133,888.04 = 371,238,336.40/x - Step 3: Cross multiply
635,747,149.84x = 877,133,888.04 × 371,238,336.40 - Step 4: Simplify right side
635,747,149.84x = 325,625,725,396,033,408 - Step 5: Solve for x
x = 325,625,725,396,033,408/635,747,149.84 - Step 6: Final answer
x = 512,193,763.63
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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.