Finding the Fourth Proportional to 581,472,532.68, 872,377,676.46 and 187,990,958.04
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Solution
The fourth proportional to 581,472,532.68, 872,377,676.46 and 187,990,958.04 is: 282,041,035.39
Step by Step Solution
- Step 1: Write the proportion equation
581,472,532.68 : 872,377,676.46 = 187,990,958.04 : x - Step 2: Convert to fraction form
581,472,532.68/872,377,676.46 = 187,990,958.04/x - Step 3: Cross multiply
581,472,532.68x = 872,377,676.46 × 187,990,958.04 - Step 4: Simplify right side
581,472,532.68x = 163,999,115,170,424,544 - Step 5: Solve for x
x = 163,999,115,170,424,544/581,472,532.68 - Step 6: Final answer
x = 282,041,035.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.