Finding the Fourth Proportional to 435,528,043.10, 653,292,064.65 and 193,190,947.10
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Solution
The fourth proportional to 435,528,043.10, 653,292,064.65 and 193,190,947.10 is: 289,786,420.65
Step by Step Solution
- Step 1: Write the proportion equation
435,528,043.10 : 653,292,064.65 = 193,190,947.10 : x - Step 2: Convert to fraction form
435,528,043.10/653,292,064.65 = 193,190,947.10/x - Step 3: Cross multiply
435,528,043.10x = 653,292,064.65 × 193,190,947.10 - Step 4: Simplify right side
435,528,043.10x = 126,210,112,702,647,920 - Step 5: Solve for x
x = 126,210,112,702,647,920/435,528,043.10 - Step 6: Final answer
x = 289,786,420.65
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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.