Finding the Fourth Proportional to 921,532,964.68, 1,383,283,130.99 and 397,160,846.18
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Solution
The fourth proportional to 921,532,964.68, 1,383,283,130.99 and 397,160,846.18 is: 596,165,215.87
Step by Step Solution
- Step 1: Write the proportion equation
921,532,964.68 : 1,383,283,130.99 = 397,160,846.18 : x - Step 2: Convert to fraction form
921,532,964.68/1,383,283,130.99 = 397,160,846.18/x - Step 3: Cross multiply
921,532,964.68x = 1,383,283,130.99 × 397,160,846.18 - Step 4: Simplify right side
921,532,964.68x = 549,385,898,815,679,296 - Step 5: Solve for x
x = 549,385,898,815,679,296/921,532,964.68 - Step 6: Final answer
x = 596,165,215.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.