Finding the Fourth Proportional to 548,434,645.80, 756,841,248.42 and 297,539,024.64
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Solution
The fourth proportional to 548,434,645.80, 756,841,248.42 and 297,539,024.64 is: 410,604,633.73
Step by Step Solution
- Step 1: Write the proportion equation
548,434,645.80 : 756,841,248.42 = 297,539,024.64 : x - Step 2: Convert to fraction form
548,434,645.80/756,841,248.42 = 297,539,024.64/x - Step 3: Cross multiply
548,434,645.80x = 756,841,248.42 × 297,539,024.64 - Step 4: Simplify right side
548,434,645.80x = 225,189,806,862,206,720 - Step 5: Solve for x
x = 225,189,806,862,206,720/548,434,645.80 - Step 6: Final answer
x = 410,604,633.73
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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.