Finding the Fourth Proportional to 1,553,633,657.17, 2,331,923,824.22 and 961,633,149.32
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Solution
The fourth proportional to 1,553,633,657.17, 2,331,923,824.22 and 961,633,149.32 is: 1,443,361,657.82
Step by Step Solution
- Step 1: Write the proportion equation
1,553,633,657.17 : 2,331,923,824.22 = 961,633,149.32 : x - Step 2: Convert to fraction form
1,553,633,657.17/2,331,923,824.22 = 961,633,149.32/x - Step 3: Cross multiply
1,553,633,657.17x = 2,331,923,824.22 × 961,633,149.32 - Step 4: Simplify right side
1,553,633,657.17x = 2,242,455,251,060,038,400 - Step 5: Solve for x
x = 2,242,455,251,060,038,400/1,553,633,657.17 - Step 6: Final answer
x = 1,443,361,657.82
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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.