Finding the Fourth Proportional to 351,763,640.70, 527,645,461.05 and 157,468,811.10
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Solution
The fourth proportional to 351,763,640.70, 527,645,461.05 and 157,468,811.10 is: 236,203,216.65
Step by Step Solution
- Step 1: Write the proportion equation
351,763,640.70 : 527,645,461.05 = 157,468,811.10 : x - Step 2: Convert to fraction form
351,763,640.70/527,645,461.05 = 157,468,811.10/x - Step 3: Cross multiply
351,763,640.70x = 527,645,461.05 × 157,468,811.10 - Step 4: Simplify right side
351,763,640.70x = 83,087,703,433,854,864 - Step 5: Solve for x
x = 83,087,703,433,854,864/351,763,640.70 - Step 6: Final answer
x = 236,203,216.65
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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.