Finding the Fourth Proportional to 577,335,420.29, 796,728,800.64 and 313,017,924.53
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Solution
The fourth proportional to 577,335,420.29, 796,728,800.64 and 313,017,924.53 is: 431,967,945.89
Step by Step Solution
- Step 1: Write the proportion equation
577,335,420.29 : 796,728,800.64 = 313,017,924.53 : x - Step 2: Convert to fraction form
577,335,420.29/796,728,800.64 = 313,017,924.53/x - Step 3: Cross multiply
577,335,420.29x = 796,728,800.64 × 313,017,924.53 - Step 4: Simplify right side
577,335,420.29x = 249,390,395,589,608,896 - Step 5: Solve for x
x = 249,390,395,589,608,896/577,335,420.29 - Step 6: Final answer
x = 431,967,945.89
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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.