Finding the Fourth Proportional to 810,722,791,764.80, 1,118,723,503,995.60 and 481,069,017,415.02
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Solution
The fourth proportional to 810,722,791,764.80, 1,118,723,503,995.60 and 481,069,017,415.02 is: 663,831,364,176.55
Step by Step Solution
- Step 1: Write the proportion equation
810,722,791,764.80 : 1,118,723,503,995.60 = 481,069,017,415.02 : x - Step 2: Convert to fraction form
810,722,791,764.80/1,118,723,503,995.60 = 481,069,017,415.02/x - Step 3: Cross multiply
810,722,791,764.80x = 1,118,723,503,995.60 × 481,069,017,415.02 - Step 4: Simplify right side
810,722,791,764.80x = 538,183,216,826,251,577,655,296 - Step 5: Solve for x
x = 538,183,216,826,251,577,655,296/810,722,791,764.80 - Step 6: Final answer
x = 663,831,364,176.55
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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.