Finding the Fourth Proportional to 1,748,289,982.80, 2,622,434,974.20 and 877,577,048.40
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Solution
The fourth proportional to 1,748,289,982.80, 2,622,434,974.20 and 877,577,048.40 is: 1,316,365,572.60
Step by Step Solution
- Step 1: Write the proportion equation
1,748,289,982.80 : 2,622,434,974.20 = 877,577,048.40 : x - Step 2: Convert to fraction form
1,748,289,982.80/2,622,434,974.20 = 877,577,048.40/x - Step 3: Cross multiply
1,748,289,982.80x = 2,622,434,974.20 × 877,577,048.40 - Step 4: Simplify right side
1,748,289,982.80x = 2,301,388,744,279,365,888 - Step 5: Solve for x
x = 2,301,388,744,279,365,888/1,748,289,982.80 - Step 6: Final answer
x = 1,316,365,572.60
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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.