Finding the Fourth Proportional to 497,648,206.08, 746,805,559.68 and 206,515,608.75
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Solution
The fourth proportional to 497,648,206.08, 746,805,559.68 and 206,515,608.75 is: 309,911,706.48
Step by Step Solution
- Step 1: Write the proportion equation
497,648,206.08 : 746,805,559.68 = 206,515,608.75 : x - Step 2: Convert to fraction form
497,648,206.08/746,805,559.68 = 206,515,608.75/x - Step 3: Cross multiply
497,648,206.08x = 746,805,559.68 × 206,515,608.75 - Step 4: Simplify right side
497,648,206.08x = 154,227,004,775,199,648 - Step 5: Solve for x
x = 154,227,004,775,199,648/497,648,206.08 - Step 6: Final answer
x = 309,911,706.48
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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.