Finding the Fourth Proportional to 314,928,702.70, 472,393,054.05 and 294,773,310.70
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Solution
The fourth proportional to 314,928,702.70, 472,393,054.05 and 294,773,310.70 is: 442,159,966.05
Step by Step Solution
- Step 1: Write the proportion equation
314,928,702.70 : 472,393,054.05 = 294,773,310.70 : x - Step 2: Convert to fraction form
314,928,702.70/472,393,054.05 = 294,773,310.70/x - Step 3: Cross multiply
314,928,702.70x = 472,393,054.05 × 294,773,310.70 - Step 4: Simplify right side
314,928,702.70x = 139,248,864,494,002,544 - Step 5: Solve for x
x = 139,248,864,494,002,544/314,928,702.70 - Step 6: Final answer
x = 442,159,966.05
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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.