Finding the Fourth Proportional to 548,434,653.66, 756,841,259.30 and 297,539,032.55
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Solution
The fourth proportional to 548,434,653.66, 756,841,259.30 and 297,539,032.55 is: 410,604,644.65
Step by Step Solution
- Step 1: Write the proportion equation
548,434,653.66 : 756,841,259.30 = 297,539,032.55 : x - Step 2: Convert to fraction form
548,434,653.66/756,841,259.30 = 297,539,032.55/x - Step 3: Cross multiply
548,434,653.66x = 756,841,259.30 × 297,539,032.55 - Step 4: Simplify right side
548,434,653.66x = 225,189,816,080,773,792 - Step 5: Solve for x
x = 225,189,816,080,773,792/548,434,653.66 - Step 6: Final answer
x = 410,604,644.65
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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.