Finding the Fourth Proportional to 261,648,122,625.30, 392,472,183,937.95 and 261,648,122,625.30
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Solution
The fourth proportional to 261,648,122,625.30, 392,472,183,937.95 and 261,648,122,625.30 is: 392,472,183,937.95
Step by Step Solution
- Step 1: Write the proportion equation
261,648,122,625.30 : 392,472,183,937.95 = 261,648,122,625.30 : x - Step 2: Convert to fraction form
261,648,122,625.30/392,472,183,937.95 = 261,648,122,625.30/x - Step 3: Cross multiply
261,648,122,625.30x = 392,472,183,937.95 × 261,648,122,625.30 - Step 4: Simplify right side
261,648,122,625.30x = 102,689,610,110,016,042,303,488 - Step 5: Solve for x
x = 102,689,610,110,016,042,303,488/261,648,122,625.30 - Step 6: Final answer
x = 392,472,183,937.95
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1.5x scale
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.