Finding the Fourth Proportional to 709,519,241.40, 1,064,278,862.10 and 514,515,823.80
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Solution
The fourth proportional to 709,519,241.40, 1,064,278,862.10 and 514,515,823.80 is: 771,773,735.70
Step by Step Solution
- Step 1: Write the proportion equation
709,519,241.40 : 1,064,278,862.10 = 514,515,823.80 : x - Step 2: Convert to fraction form
709,519,241.40/1,064,278,862.10 = 514,515,823.80/x - Step 3: Cross multiply
709,519,241.40x = 1,064,278,862.10 × 514,515,823.80 - Step 4: Simplify right side
709,519,241.40x = 547,588,315,486,308,096 - Step 5: Solve for x
x = 547,588,315,486,308,096/709,519,241.40 - Step 6: Final answer
x = 771,773,735.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.