Finding the Fourth Proportional to 489,901,497.40, 734,852,246.10 and 217,803,705.40
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Solution
The fourth proportional to 489,901,497.40, 734,852,246.10 and 217,803,705.40 is: 326,705,558.10
Step by Step Solution
- Step 1: Write the proportion equation
489,901,497.40 : 734,852,246.10 = 217,803,705.40 : x - Step 2: Convert to fraction form
489,901,497.40/734,852,246.10 = 217,803,705.40/x - Step 3: Cross multiply
489,901,497.40x = 734,852,246.10 × 217,803,705.40 - Step 4: Simplify right side
489,901,497.40x = 160,053,542,122,092,704 - Step 5: Solve for x
x = 160,053,542,122,092,704/489,901,497.40 - Step 6: Final answer
x = 326,705,558.10
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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.