Finding the Fourth Proportional to 314,990,443.32, 472,472,203.99 and 107,747,385.45
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Solution
The fourth proportional to 314,990,443.32, 472,472,203.99 and 107,747,385.45 is: 161,616,473.63
Step by Step Solution
- Step 1: Write the proportion equation
314,990,443.32 : 472,472,203.99 = 107,747,385.45 : x - Step 2: Convert to fraction form
314,990,443.32/472,472,203.99 = 107,747,385.45/x - Step 3: Cross multiply
314,990,443.32x = 472,472,203.99 × 107,747,385.45 - Step 4: Simplify right side
314,990,443.32x = 50,907,644,677,721,560 - Step 5: Solve for x
x = 50,907,644,677,721,560/314,990,443.32 - Step 6: Final answer
x = 161,616,473.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.