Finding the Fourth Proportional to 323,528,500,555.20, 485,292,750,832.80 and 135,009,690,607.80
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Solution
The fourth proportional to 323,528,500,555.20, 485,292,750,832.80 and 135,009,690,607.80 is: 202,514,535,911.70
Step by Step Solution
- Step 1: Write the proportion equation
323,528,500,555.20 : 485,292,750,832.80 = 135,009,690,607.80 : x - Step 2: Convert to fraction form
323,528,500,555.20/485,292,750,832.80 = 135,009,690,607.80/x - Step 3: Cross multiply
323,528,500,555.20x = 485,292,750,832.80 × 135,009,690,607.80 - Step 4: Simplify right side
323,528,500,555.20x = 65,519,224,144,144,503,930,880 - Step 5: Solve for x
x = 65,519,224,144,144,503,930,880/323,528,500,555.20 - Step 6: Final answer
x = 202,514,535,911.70
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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.