Finding the Fourth Proportional to 648,690,762.96, 895,207,708.08 and 370,226,701.44
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Solution
The fourth proportional to 648,690,762.96, 895,207,708.08 and 370,226,701.44 is: 510,921,097.99
Step by Step Solution
- Step 1: Write the proportion equation
648,690,762.96 : 895,207,708.08 = 370,226,701.44 : x - Step 2: Convert to fraction form
648,690,762.96/895,207,708.08 = 370,226,701.44/x - Step 3: Cross multiply
648,690,762.96x = 895,207,708.08 × 370,226,701.44 - Step 4: Simplify right side
648,690,762.96x = 331,429,796,866,120,832 - Step 5: Solve for x
x = 331,429,796,866,120,832/648,690,762.96 - Step 6: Final answer
x = 510,921,097.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.