Finding the Fourth Proportional to 651,362,426.70, 977,043,640.05 and 288,565,370.70
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Solution
The fourth proportional to 651,362,426.70, 977,043,640.05 and 288,565,370.70 is: 432,848,056.05
Step by Step Solution
- Step 1: Write the proportion equation
651,362,426.70 : 977,043,640.05 = 288,565,370.70 : x - Step 2: Convert to fraction form
651,362,426.70/977,043,640.05 = 288,565,370.70/x - Step 3: Cross multiply
651,362,426.70x = 977,043,640.05 × 288,565,370.70 - Step 4: Simplify right side
651,362,426.70x = 281,940,960,181,105,600 - Step 5: Solve for x
x = 281,940,960,181,105,600/651,362,426.70 - Step 6: Final answer
x = 432,848,056.05
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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.