Finding the Fourth Proportional to 472,692,657.39, 652,424,706.32 and 277,185,354.99
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Solution
The fourth proportional to 472,692,657.39, 652,424,706.32 and 277,185,354.99 is: 382,579,612.77
Step by Step Solution
- Step 1: Write the proportion equation
472,692,657.39 : 652,424,706.32 = 277,185,354.99 : x - Step 2: Convert to fraction form
472,692,657.39/652,424,706.32 = 277,185,354.99/x - Step 3: Cross multiply
472,692,657.39x = 652,424,706.32 × 277,185,354.99 - Step 4: Simplify right side
472,692,657.39x = 180,842,573,824,169,792 - Step 5: Solve for x
x = 180,842,573,824,169,792/472,692,657.39 - Step 6: Final answer
x = 382,579,612.77
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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.