Finding the Fourth Proportional to 539,023,366.50, 743,854,486.98 and 291,504,720.75
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Solution
The fourth proportional to 539,023,366.50, 743,854,486.98 and 291,504,720.75 is: 402,277,726.69
Step by Step Solution
- Step 1: Write the proportion equation
539,023,366.50 : 743,854,486.98 = 291,504,720.75 : x - Step 2: Convert to fraction form
539,023,366.50/743,854,486.98 = 291,504,720.75/x - Step 3: Cross multiply
539,023,366.50x = 743,854,486.98 × 291,504,720.75 - Step 4: Simplify right side
539,023,366.50x = 216,837,094,505,739,424 - Step 5: Solve for x
x = 216,837,094,505,739,424/539,023,366.50 - Step 6: Final answer
x = 402,277,726.69
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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.