Finding the Fourth Proportional to 800,594,740.84, 1,201,666,760.16 and 386,363,163.28
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Solution
The fourth proportional to 800,594,740.84, 1,201,666,760.16 and 386,363,163.28 is: 579,918,586.75
Step by Step Solution
- Step 1: Write the proportion equation
800,594,740.84 : 1,201,666,760.16 = 386,363,163.28 : x - Step 2: Convert to fraction form
800,594,740.84/1,201,666,760.16 = 386,363,163.28/x - Step 3: Cross multiply
800,594,740.84x = 1,201,666,760.16 × 386,363,163.28 - Step 4: Simplify right side
800,594,740.84x = 464,279,770,663,846,656 - Step 5: Solve for x
x = 464,279,770,663,846,656/800,594,740.84 - Step 6: Final answer
x = 579,918,586.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.