Finding the Fourth Proportional to 560,586,276.96, 767,990,427.84 and 539,626,856.32
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Solution
The fourth proportional to 560,586,276.96, 767,990,427.84 and 539,626,856.32 is: 739,276,499.07
Step by Step Solution
- Step 1: Write the proportion equation
560,586,276.96 : 767,990,427.84 = 539,626,856.32 : x - Step 2: Convert to fraction form
560,586,276.96/767,990,427.84 = 539,626,856.32/x - Step 3: Cross multiply
560,586,276.96x = 767,990,427.84 × 539,626,856.32 - Step 4: Simplify right side
560,586,276.96x = 414,428,260,259,151,040 - Step 5: Solve for x
x = 414,428,260,259,151,040/560,586,276.96 - Step 6: Final answer
x = 739,276,499.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.