Finding the Fourth Proportional to 1,271,306,284.64, 1,905,930,350.51 and 397,457,848.34
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Solution
The fourth proportional to 1,271,306,284.64, 1,905,930,350.51 and 397,457,848.34 is: 595,865,044.76
Step by Step Solution
- Step 1: Write the proportion equation
1,271,306,284.64 : 1,905,930,350.51 = 397,457,848.34 : x - Step 2: Convert to fraction form
1,271,306,284.64/1,905,930,350.51 = 397,457,848.34/x - Step 3: Cross multiply
1,271,306,284.64x = 1,905,930,350.51 × 397,457,848.34 - Step 4: Simplify right side
1,271,306,284.64x = 757,526,976,199,606,528 - Step 5: Solve for x
x = 757,526,976,199,606,528/1,271,306,284.64 - Step 6: Final answer
x = 595,865,044.76
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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.