Finding the Fourth Proportional to 442,597,539.80, 663,896,309.70 and 412,364,451.80
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Solution
The fourth proportional to 442,597,539.80, 663,896,309.70 and 412,364,451.80 is: 618,546,677.70
Step by Step Solution
- Step 1: Write the proportion equation
442,597,539.80 : 663,896,309.70 = 412,364,451.80 : x - Step 2: Convert to fraction form
442,597,539.80/663,896,309.70 = 412,364,451.80/x - Step 3: Cross multiply
442,597,539.80x = 663,896,309.70 × 412,364,451.80 - Step 4: Simplify right side
442,597,539.80x = 273,767,237,801,483,552 - Step 5: Solve for x
x = 273,767,237,801,483,552/442,597,539.80 - Step 6: Final answer
x = 618,546,677.70
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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.