Finding the Fourth Proportional to 649,950,870.84, 896,696,833.32 and 427,052,530.68
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Solution
The fourth proportional to 649,950,870.84, 896,696,833.32 and 427,052,530.68 is: 589,177,842.67
Step by Step Solution
- Step 1: Write the proportion equation
649,950,870.84 : 896,696,833.32 = 427,052,530.68 : x - Step 2: Convert to fraction form
649,950,870.84/896,696,833.32 = 427,052,530.68/x - Step 3: Cross multiply
649,950,870.84x = 896,696,833.32 × 427,052,530.68 - Step 4: Simplify right side
649,950,870.84x = 382,936,651,922,048,192 - Step 5: Solve for x
x = 382,936,651,922,048,192/649,950,870.84 - Step 6: Final answer
x = 589,177,842.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.