Finding the Fourth Proportional to 1,905,379,302.99, 2,857,087,615.43 and 855,217,229.15
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Solution
The fourth proportional to 1,905,379,302.99, 2,857,087,615.43 and 855,217,229.15 is: 1,282,385,376.00
Step by Step Solution
- Step 1: Write the proportion equation
1,905,379,302.99 : 2,857,087,615.43 = 855,217,229.15 : x - Step 2: Convert to fraction form
1,905,379,302.99/2,857,087,615.43 = 855,217,229.15/x - Step 3: Cross multiply
1,905,379,302.99x = 2,857,087,615.43 × 855,217,229.15 - Step 4: Simplify right side
1,905,379,302.99x = 2,443,430,553,888,264,192 - Step 5: Solve for x
x = 2,443,430,553,888,264,192/1,905,379,302.99 - Step 6: Final answer
x = 1,282,385,376.00
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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.