Finding the Fourth Proportional to 541,646,322.84, 747,461,249.46 and 318,652,104.60
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Solution
The fourth proportional to 541,646,322.84, 747,461,249.46 and 318,652,104.60 is: 439,733,623.59
Step by Step Solution
- Step 1: Write the proportion equation
541,646,322.84 : 747,461,249.46 = 318,652,104.60 : x - Step 2: Convert to fraction form
541,646,322.84/747,461,249.46 = 318,652,104.60/x - Step 3: Cross multiply
541,646,322.84x = 747,461,249.46 × 318,652,104.60 - Step 4: Simplify right side
541,646,322.84x = 238,180,100,247,374,656 - Step 5: Solve for x
x = 238,180,100,247,374,656/541,646,322.84 - Step 6: Final answer
x = 439,733,623.59
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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.