Finding the Fourth Proportional to 434,376,880.74, 598,877,450.78 and 281,341,123.74
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Solution
The fourth proportional to 434,376,880.74, 598,877,450.78 and 281,341,123.74 is: 387,886,332.02
Step by Step Solution
- Step 1: Write the proportion equation
434,376,880.74 : 598,877,450.78 = 281,341,123.74 : x - Step 2: Convert to fraction form
434,376,880.74/598,877,450.78 = 281,341,123.74/x - Step 3: Cross multiply
434,376,880.74x = 598,877,450.78 × 281,341,123.74 - Step 4: Simplify right side
434,376,880.74x = 168,488,854,983,585,024 - Step 5: Solve for x
x = 168,488,854,983,585,024/434,376,880.74 - Step 6: Final answer
x = 387,886,332.02
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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.