Finding the Fourth Proportional to 305,774,448.70, 429,293,551.70 and 305,774,448.70
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Solution
The fourth proportional to 305,774,448.70, 429,293,551.70 and 305,774,448.70 is: 429,293,551.70
Step by Step Solution
- Step 1: Write the proportion equation
305,774,448.70 : 429,293,551.70 = 305,774,448.70 : x - Step 2: Convert to fraction form
305,774,448.70/429,293,551.70 = 305,774,448.70/x - Step 3: Cross multiply
305,774,448.70x = 429,293,551.70 × 305,774,448.70 - Step 4: Simplify right side
305,774,448.70x = 131,266,999,101,532,432 - Step 5: Solve for x
x = 131,266,999,101,532,432/305,774,448.70 - Step 6: Final answer
x = 429,293,551.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.