Finding the Fourth Proportional to 435,672,029.80, 611,471,391.80 and 435,672,029.80
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Solution
The fourth proportional to 435,672,029.80, 611,471,391.80 and 435,672,029.80 is: 611,471,391.80
Step by Step Solution
- Step 1: Write the proportion equation
435,672,029.80 : 611,471,391.80 = 435,672,029.80 : x - Step 2: Convert to fraction form
435,672,029.80/611,471,391.80 = 435,672,029.80/x - Step 3: Cross multiply
435,672,029.80x = 611,471,391.80 × 435,672,029.80 - Step 4: Simplify right side
435,672,029.80x = 266,400,982,430,137,056 - Step 5: Solve for x
x = 266,400,982,430,137,056/435,672,029.80 - Step 6: Final answer
x = 611,471,391.80
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.