Finding the Fourth Proportional to 413,759,637.47, 620,790,792.46 and 192,536,484.84
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Solution
The fourth proportional to 413,759,637.47, 620,790,792.46 and 192,536,484.84 is: 288,875,149.18
Step by Step Solution
- Step 1: Write the proportion equation
413,759,637.47 : 620,790,792.46 = 192,536,484.84 : x - Step 2: Convert to fraction form
413,759,637.47/620,790,792.46 = 192,536,484.84/x - Step 3: Cross multiply
413,759,637.47x = 620,790,792.46 × 192,536,484.84 - Step 4: Simplify right side
413,759,637.47x = 119,524,877,000,805,040 - Step 5: Solve for x
x = 119,524,877,000,805,040/413,759,637.47 - Step 6: Final answer
x = 288,875,149.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.