Finding the Fourth Proportional to 452,807,278.68, 624,876,160.69 and 257,247,721.56
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Solution
The fourth proportional to 452,807,278.68, 624,876,160.69 and 257,247,721.56 is: 355,003,057.95
Step by Step Solution
- Step 1: Write the proportion equation
452,807,278.68 : 624,876,160.69 = 257,247,721.56 : x - Step 2: Convert to fraction form
452,807,278.68/624,876,160.69 = 257,247,721.56/x - Step 3: Cross multiply
452,807,278.68x = 624,876,160.69 × 257,247,721.56 - Step 4: Simplify right side
452,807,278.68x = 160,747,968,593,376,672 - Step 5: Solve for x
x = 160,747,968,593,376,672/452,807,278.68 - Step 6: Final answer
x = 355,003,057.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.