Finding the Fourth Proportional to 1,636,273,454.38, 2,454,754,889.35 and 530,791,992.65
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Solution
The fourth proportional to 1,636,273,454.38, 2,454,754,889.35 and 530,791,992.65 is: 796,299,808.99
Step by Step Solution
- Step 1: Write the proportion equation
1,636,273,454.38 : 2,454,754,889.35 = 530,791,992.65 : x - Step 2: Convert to fraction form
1,636,273,454.38/2,454,754,889.35 = 530,791,992.65/x - Step 3: Cross multiply
1,636,273,454.38x = 2,454,754,889.35 × 530,791,992.65 - Step 4: Simplify right side
1,636,273,454.38x = 1,302,964,239,178,423,296 - Step 5: Solve for x
x = 1,302,964,239,178,423,296/1,636,273,454.38 - Step 6: Final answer
x = 796,299,808.99
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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.