Finding the Fourth Proportional to 291,344,497.70, 437,016,746.55 and 277,907,569.70
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Solution
The fourth proportional to 291,344,497.70, 437,016,746.55 and 277,907,569.70 is: 416,861,354.55
Step by Step Solution
- Step 1: Write the proportion equation
291,344,497.70 : 437,016,746.55 = 277,907,569.70 : x - Step 2: Convert to fraction form
291,344,497.70/437,016,746.55 = 277,907,569.70/x - Step 3: Cross multiply
291,344,497.70x = 437,016,746.55 × 277,907,569.70 - Step 4: Simplify right side
291,344,497.70x = 121,450,261,951,911,360 - Step 5: Solve for x
x = 121,450,261,951,911,360/291,344,497.70 - Step 6: Final answer
x = 416,861,354.55
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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.