Finding the Fourth Proportional to 497,648,208.08, 746,805,562.68 and 206,515,610.75
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Solution
The fourth proportional to 497,648,208.08, 746,805,562.68 and 206,515,610.75 is: 309,911,709.49
Step by Step Solution
- Step 1: Write the proportion equation
497,648,208.08 : 746,805,562.68 = 206,515,610.75 : x - Step 2: Convert to fraction form
497,648,208.08/746,805,562.68 = 206,515,610.75/x - Step 3: Cross multiply
497,648,208.08x = 746,805,562.68 × 206,515,610.75 - Step 4: Simplify right side
497,648,208.08x = 154,227,006,888,357,600 - Step 5: Solve for x
x = 154,227,006,888,357,600/497,648,208.08 - Step 6: Final answer
x = 309,911,709.49
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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.