Finding the Fourth Proportional to 1,635,238,000.80, 2,453,175,865.80 and 702,559,045.80
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Solution
The fourth proportional to 1,635,238,000.80, 2,453,175,865.80 and 702,559,045.80 is: 1,053,975,564.79
Step by Step Solution
- Step 1: Write the proportion equation
1,635,238,000.80 : 2,453,175,865.80 = 702,559,045.80 : x - Step 2: Convert to fraction form
1,635,238,000.80/2,453,175,865.80 = 702,559,045.80/x - Step 3: Cross multiply
1,635,238,000.80x = 2,453,175,865.80 × 702,559,045.80 - Step 4: Simplify right side
1,635,238,000.80x = 1,723,500,895,456,036,864 - Step 5: Solve for x
x = 1,723,500,895,456,036,864/1,635,238,000.80 - Step 6: Final answer
x = 1,053,975,564.79
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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.