Finding the Fourth Proportional to 1,949,825,064.53, 2,690,052,448.29 and 1,281,130,262.75
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Solution
The fourth proportional to 1,949,825,064.53, 2,690,052,448.29 and 1,281,130,262.75 is: 1,767,495,793.64
Step by Step Solution
- Step 1: Write the proportion equation
1,949,825,064.53 : 2,690,052,448.29 = 1,281,130,262.75 : x - Step 2: Convert to fraction form
1,949,825,064.53/2,690,052,448.29 = 1,281,130,262.75/x - Step 3: Cross multiply
1,949,825,064.53x = 2,690,052,448.29 × 1,281,130,262.75 - Step 4: Simplify right side
1,949,825,064.53x = 3,446,307,599,875,597,824 - Step 5: Solve for x
x = 3,446,307,599,875,597,824/1,949,825,064.53 - Step 6: Final answer
x = 1,767,495,793.64
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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.