Finding the Fourth Proportional to 648,633,292.41, 895,102,880.37 and 351,273,118.35
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Solution
The fourth proportional to 648,633,292.41, 895,102,880.37 and 351,273,118.35 is: 484,750,911.97
Step by Step Solution
- Step 1: Write the proportion equation
648,633,292.41 : 895,102,880.37 = 351,273,118.35 : x - Step 2: Convert to fraction form
648,633,292.41/895,102,880.37 = 351,273,118.35/x - Step 3: Cross multiply
648,633,292.41x = 895,102,880.37 × 351,273,118.35 - Step 4: Simplify right side
648,633,292.41x = 314,425,580,031,636,928 - Step 5: Solve for x
x = 314,425,580,031,636,928/648,633,292.41 - Step 6: Final answer
x = 484,750,911.97
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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.