Finding the Fourth Proportional to 374,296,800.51, 516,494,920.82 and 207,029,461.84
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Solution
The fourth proportional to 374,296,800.51, 516,494,920.82 and 207,029,461.84 is: 285,681,484.20
Step by Step Solution
- Step 1: Write the proportion equation
374,296,800.51 : 516,494,920.82 = 207,029,461.84 : x - Step 2: Convert to fraction form
374,296,800.51/516,494,920.82 = 207,029,461.84/x - Step 3: Cross multiply
374,296,800.51x = 516,494,920.82 × 207,029,461.84 - Step 4: Simplify right side
374,296,800.51x = 106,929,665,499,422,864 - Step 5: Solve for x
x = 106,929,665,499,422,864/374,296,800.51 - Step 6: Final answer
x = 285,681,484.20
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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.