Finding the Fourth Proportional to 1,256,536,884.88, 1,733,999,745.80 and 692,074,330.88
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Solution
The fourth proportional to 1,256,536,884.88, 1,733,999,745.80 and 692,074,330.88 is: 955,050,924.70
Step by Step Solution
- Step 1: Write the proportion equation
1,256,536,884.88 : 1,733,999,745.80 = 692,074,330.88 : x - Step 2: Convert to fraction form
1,256,536,884.88/1,733,999,745.80 = 692,074,330.88/x - Step 3: Cross multiply
1,256,536,884.88x = 1,733,999,745.80 × 692,074,330.88 - Step 4: Simplify right side
1,256,536,884.88x = 1,200,056,713,820,625,152 - Step 5: Solve for x
x = 1,200,056,713,820,625,152/1,256,536,884.88 - Step 6: Final answer
x = 955,050,924.70
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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.