Finding the Fourth Proportional to 1,264,640,624.64, 1,896,695,516.16 and 356,689,152
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Solution
The fourth proportional to 1,264,640,624.64, 1,896,695,516.16 and 356,689,152 is: 534,958,866.64
Step by Step Solution
- Step 1: Write the proportion equation
1,264,640,624.64 : 1,896,695,516.16 = 356,689,152 : x - Step 2: Convert to fraction form
1,264,640,624.64/1,896,695,516.16 = 356,689,152/x - Step 3: Cross multiply
1,264,640,624.64x = 1,896,695,516.16 × 356,689,152 - Step 4: Simplify right side
1,264,640,624.64x = 676,530,715,261,312,768 - Step 5: Solve for x
x = 676,530,715,261,312,768/1,264,640,624.64 - Step 6: Final answer
x = 534,958,866.64
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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.