Finding the Fourth Proportional to 694,537,547.55, 958,426,617.55 and 412,292,052.87
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Solution
The fourth proportional to 694,537,547.55, 958,426,617.55 and 412,292,052.87 is: 568,942,138.65
Step by Step Solution
- Step 1: Write the proportion equation
694,537,547.55 : 958,426,617.55 = 412,292,052.87 : x - Step 2: Convert to fraction form
694,537,547.55/958,426,617.55 = 412,292,052.87/x - Step 3: Cross multiply
694,537,547.55x = 958,426,617.55 × 412,292,052.87 - Step 4: Simplify right side
694,537,547.55x = 395,151,677,674,939,840 - Step 5: Solve for x
x = 395,151,677,674,939,840/694,537,547.55 - Step 6: Final answer
x = 568,942,138.65
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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.