Finding the Fourth Proportional to 714,704,315.22, 1,071,815,456.72 and 271,941,885.99
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Solution
The fourth proportional to 714,704,315.22, 1,071,815,456.72 and 271,941,885.99 is: 407,821,123.40
Step by Step Solution
- Step 1: Write the proportion equation
714,704,315.22 : 1,071,815,456.72 = 271,941,885.99 : x - Step 2: Convert to fraction form
714,704,315.22/1,071,815,456.72 = 271,941,885.99/x - Step 3: Cross multiply
714,704,315.22x = 1,071,815,456.72 × 271,941,885.99 - Step 4: Simplify right side
714,704,315.22x = 291,471,516,734,349,888 - Step 5: Solve for x
x = 291,471,516,734,349,888/714,704,315.22 - Step 6: Final answer
x = 407,821,123.40
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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.