Finding the Fourth Proportional to 1,457,936,403.50, 2,187,328,121.99 and 525,241,505.27
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Solution
The fourth proportional to 1,457,936,403.50, 2,187,328,121.99 and 525,241,505.27 is: 788,014,835.60
Step by Step Solution
- Step 1: Write the proportion equation
1,457,936,403.50 : 2,187,328,121.99 = 525,241,505.27 : x - Step 2: Convert to fraction form
1,457,936,403.50/2,187,328,121.99 = 525,241,505.27/x - Step 3: Cross multiply
1,457,936,403.50x = 2,187,328,121.99 × 525,241,505.27 - Step 4: Simplify right side
1,457,936,403.50x = 1,148,875,515,313,429,632 - Step 5: Solve for x
x = 1,148,875,515,313,429,632/1,457,936,403.50 - Step 6: Final answer
x = 788,014,835.60
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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.