Finding the Fourth Proportional to 694,537,508.80, 958,426,564.08 and 412,292,014.12
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Solution
The fourth proportional to 694,537,508.80, 958,426,564.08 and 412,292,014.12 is: 568,942,085.18
Step by Step Solution
- Step 1: Write the proportion equation
694,537,508.80 : 958,426,564.08 = 412,292,014.12 : x - Step 2: Convert to fraction form
694,537,508.80/958,426,564.08 = 412,292,014.12/x - Step 3: Cross multiply
694,537,508.80x = 958,426,564.08 × 412,292,014.12 - Step 4: Simplify right side
694,537,508.80x = 395,151,618,490,654,464 - Step 5: Solve for x
x = 395,151,618,490,654,464/694,537,508.80 - Step 6: Final answer
x = 568,942,085.18
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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.