Finding the Fourth Proportional to 265,536,737.70, 398,628,588.15 and 168,492,257.70
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Solution
The fourth proportional to 265,536,737.70, 398,628,588.15 and 168,492,257.70 is: 252,943,646.83
Step by Step Solution
- Step 1: Write the proportion equation
265,536,737.70 : 398,628,588.15 = 168,492,257.70 : x - Step 2: Convert to fraction form
265,536,737.70/398,628,588.15 = 168,492,257.70/x - Step 3: Cross multiply
265,536,737.70x = 398,628,588.15 × 168,492,257.70 - Step 4: Simplify right side
265,536,737.70x = 67,165,830,801,156,960 - Step 5: Solve for x
x = 67,165,830,801,156,960/265,536,737.70 - Step 6: Final answer
x = 252,943,646.83
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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.