Finding the Fourth Proportional to 479,646,398.94, 719,538,229.92 and 147,681,496.62
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Solution
The fourth proportional to 479,646,398.94, 719,538,229.92 and 147,681,496.62 is: 221,543,376.34
Step by Step Solution
- Step 1: Write the proportion equation
479,646,398.94 : 719,538,229.92 = 147,681,496.62 : x - Step 2: Convert to fraction form
479,646,398.94/719,538,229.92 = 147,681,496.62/x - Step 3: Cross multiply
479,646,398.94x = 719,538,229.92 × 147,681,496.62 - Step 4: Simplify right side
479,646,398.94x = 106,262,482,669,891,264 - Step 5: Solve for x
x = 106,262,482,669,891,264/479,646,398.94 - Step 6: Final answer
x = 221,543,376.34
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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.