Finding the Fourth Proportional to 754,819,769.92, 1,131,850,775.42 and 439,787,769.84
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Solution
The fourth proportional to 754,819,769.92, 1,131,850,775.42 and 439,787,769.84 is: 659,460,904.64
Step by Step Solution
- Step 1: Write the proportion equation
754,819,769.92 : 1,131,850,775.42 = 439,787,769.84 : x - Step 2: Convert to fraction form
754,819,769.92/1,131,850,775.42 = 439,787,769.84/x - Step 3: Cross multiply
754,819,769.92x = 1,131,850,775.42 × 439,787,769.84 - Step 4: Simplify right side
754,819,769.92x = 497,774,128,313,636,480 - Step 5: Solve for x
x = 497,774,128,313,636,480/754,819,769.92 - Step 6: Final answer
x = 659,460,904.64
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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.