Finding the Fourth Proportional to 1,805,028,138.64, 2,490,022,048.44 and 1,178,863,094.80
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Solution
The fourth proportional to 1,805,028,138.64, 2,490,022,048.44 and 1,178,863,094.80 is: 1,626,232,320.32
Step by Step Solution
- Step 1: Write the proportion equation
1,805,028,138.64 : 2,490,022,048.44 = 1,178,863,094.80 : x - Step 2: Convert to fraction form
1,805,028,138.64/2,490,022,048.44 = 1,178,863,094.80/x - Step 3: Cross multiply
1,805,028,138.64x = 2,490,022,048.44 × 1,178,863,094.80 - Step 4: Simplify right side
1,805,028,138.64x = 2,935,395,098,144,214,016 - Step 5: Solve for x
x = 2,935,395,098,144,214,016/1,805,028,138.64 - Step 6: Final answer
x = 1,626,232,320.32
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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.