Finding the Fourth Proportional to 4,197,376,472.30, 6,296,064,708.45 and 1,289,475,953.90
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Solution
The fourth proportional to 4,197,376,472.30, 6,296,064,708.45 and 1,289,475,953.90 is: 1,934,213,930.85
Step by Step Solution
- Step 1: Write the proportion equation
4,197,376,472.30 : 6,296,064,708.45 = 1,289,475,953.90 : x - Step 2: Convert to fraction form
4,197,376,472.30/6,296,064,708.45 = 1,289,475,953.90/x - Step 3: Cross multiply
4,197,376,472.30x = 6,296,064,708.45 × 1,289,475,953.90 - Step 4: Simplify right side
4,197,376,472.30x = 8,118,624,045,744,689,152 - Step 5: Solve for x
x = 8,118,624,045,744,689,152/4,197,376,472.30 - Step 6: Final answer
x = 1,934,213,930.85
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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.