Finding the Fourth Proportional to 517,493,478,380.65, 776,239,176,621.30 and 486,002,372,744.04
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Solution
The fourth proportional to 517,493,478,380.65, 776,239,176,621.30 and 486,002,372,744.04 is: 729,002,581,511.45
Step by Step Solution
- Step 1: Write the proportion equation
517,493,478,380.65 : 776,239,176,621.30 = 486,002,372,744.04 : x - Step 2: Convert to fraction form
517,493,478,380.65/776,239,176,621.30 = 486,002,372,744.04/x - Step 3: Cross multiply
517,493,478,380.65x = 776,239,176,621.30 × 486,002,372,744.04 - Step 4: Simplify right side
517,493,478,380.65x = 377,254,081,654,831,758,442,496 - Step 5: Solve for x
x = 377,254,081,654,831,758,442,496/517,493,478,380.65 - Step 6: Final answer
x = 729,002,581,511.45
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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.