Finding the Fourth Proportional to 539,023,323.40, 743,854,428.26 and 291,504,677.65
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Solution
The fourth proportional to 539,023,323.40, 743,854,428.26 and 291,504,677.65 is: 402,277,667.61
Step by Step Solution
- Step 1: Write the proportion equation
539,023,323.40 : 743,854,428.26 = 291,504,677.65 : x - Step 2: Convert to fraction form
539,023,323.40/743,854,428.26 = 291,504,677.65/x - Step 3: Cross multiply
539,023,323.40x = 743,854,428.26 × 291,504,677.65 - Step 4: Simplify right side
539,023,323.40x = 216,837,045,326,998,816 - Step 5: Solve for x
x = 216,837,045,326,998,816/539,023,323.40 - Step 6: Final answer
x = 402,277,667.61
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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.