Finding the Fourth Proportional to 1,116,154,762.84, 1,540,281,349.29 and 614,352,817.90
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Solution
The fourth proportional to 1,116,154,762.84, 1,540,281,349.29 and 614,352,817.90 is: 847,800,160.69
Step by Step Solution
- Step 1: Write the proportion equation
1,116,154,762.84 : 1,540,281,349.29 = 614,352,817.90 : x - Step 2: Convert to fraction form
1,116,154,762.84/1,540,281,349.29 = 614,352,817.90/x - Step 3: Cross multiply
1,116,154,762.84x = 1,540,281,349.29 × 614,352,817.90 - Step 4: Simplify right side
1,116,154,762.84x = 946,276,187,295,125,632 - Step 5: Solve for x
x = 946,276,187,295,125,632/1,116,154,762.84 - Step 6: Final answer
x = 847,800,160.69
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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.