Finding the Fourth Proportional to 1,154,735,998.80, 1,732,103,998.20 and 336,848,299.80
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Solution
The fourth proportional to 1,154,735,998.80, 1,732,103,998.20 and 336,848,299.80 is: 505,272,449.70
Step by Step Solution
- Step 1: Write the proportion equation
1,154,735,998.80 : 1,732,103,998.20 = 336,848,299.80 : x - Step 2: Convert to fraction form
1,154,735,998.80/1,732,103,998.20 = 336,848,299.80/x - Step 3: Cross multiply
1,154,735,998.80x = 1,732,103,998.20 × 336,848,299.80 - Step 4: Simplify right side
1,154,735,998.80x = 583,456,286,870,452,352 - Step 5: Solve for x
x = 583,456,286,870,452,352/1,154,735,998.80 - Step 6: Final answer
x = 505,272,449.70
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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.