Finding the Fourth Proportional to 833,081,726.52, 1,149,769,895.67 and 515,643,791.67
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Solution
The fourth proportional to 833,081,726.52, 1,149,769,895.67 and 515,643,791.67 is: 711,660,920.75
Step by Step Solution
- Step 1: Write the proportion equation
833,081,726.52 : 1,149,769,895.67 = 515,643,791.67 : x - Step 2: Convert to fraction form
833,081,726.52/1,149,769,895.67 = 515,643,791.67/x - Step 3: Cross multiply
833,081,726.52x = 1,149,769,895.67 × 515,643,791.67 - Step 4: Simplify right side
833,081,726.52x = 592,871,708,551,299,200 - Step 5: Solve for x
x = 592,871,708,551,299,200/833,081,726.52 - Step 6: Final answer
x = 711,660,920.75
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Double scale
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Similar ratio
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1.5x scale
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.