Finding the Fourth Proportional to 559,866,138.71, 772,905,727.42 and 408,989,382.71
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Solution
The fourth proportional to 559,866,138.71, 772,905,727.42 and 408,989,382.71 is: 564,617,529.96
Step by Step Solution
- Step 1: Write the proportion equation
559,866,138.71 : 772,905,727.42 = 408,989,382.71 : x - Step 2: Convert to fraction form
559,866,138.71/772,905,727.42 = 408,989,382.71/x - Step 3: Cross multiply
559,866,138.71x = 772,905,727.42 × 408,989,382.71 - Step 4: Simplify right side
559,866,138.71x = 316,110,236,345,642,304 - Step 5: Solve for x
x = 316,110,236,345,642,304/559,866,138.71 - Step 6: Final answer
x = 564,617,529.96
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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.