Finding the Fourth Proportional to 1,378,795,492.74, 2,056,049,981.52 and 1,366,359,773.34
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Solution
The fourth proportional to 1,378,795,492.74, 2,056,049,981.52 and 1,366,359,773.34 is: 2,037,505,925.66
Step by Step Solution
- Step 1: Write the proportion equation
1,378,795,492.74 : 2,056,049,981.52 = 1,366,359,773.34 : x - Step 2: Convert to fraction form
1,378,795,492.74/2,056,049,981.52 = 1,366,359,773.34/x - Step 3: Cross multiply
1,378,795,492.74x = 2,056,049,981.52 × 1,366,359,773.34 - Step 4: Simplify right side
1,378,795,492.74x = 2,809,303,986,725,378,048 - Step 5: Solve for x
x = 2,809,303,986,725,378,048/1,378,795,492.74 - Step 6: Final answer
x = 2,037,505,925.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.