Finding the Fourth Proportional to 1,867,855,761.53, 2,801,788,961.02 and 539,991,898.19
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Solution
The fourth proportional to 1,867,855,761.53, 2,801,788,961.02 and 539,991,898.19 is: 809,989,384.91
Step by Step Solution
- Step 1: Write the proportion equation
1,867,855,761.53 : 2,801,788,961.02 = 539,991,898.19 : x - Step 2: Convert to fraction form
1,867,855,761.53/2,801,788,961.02 = 539,991,898.19/x - Step 3: Cross multiply
1,867,855,761.53x = 2,801,788,961.02 × 539,991,898.19 - Step 4: Simplify right side
1,867,855,761.53x = 1,512,943,339,379,246,336 - Step 5: Solve for x
x = 1,512,943,339,379,246,336/1,867,855,761.53 - Step 6: Final answer
x = 809,989,384.91
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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.