Finding the Fourth Proportional to 452,807,280.18, 624,876,162.75 and 257,247,723.06
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Solution
The fourth proportional to 452,807,280.18, 624,876,162.75 and 257,247,723.06 is: 355,003,060.02
Step by Step Solution
- Step 1: Write the proportion equation
452,807,280.18 : 624,876,162.75 = 257,247,723.06 : x - Step 2: Convert to fraction form
452,807,280.18/624,876,162.75 = 257,247,723.06/x - Step 3: Cross multiply
452,807,280.18x = 624,876,162.75 × 257,247,723.06 - Step 4: Simplify right side
452,807,280.18x = 160,747,970,061,907,488 - Step 5: Solve for x
x = 160,747,970,061,907,488/452,807,280.18 - Step 6: Final answer
x = 355,003,060.02
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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.