Finding the Fourth Proportional to 886,464,363.10, 1,329,696,544.65 and 868,324,510.30
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Solution
The fourth proportional to 886,464,363.10, 1,329,696,544.65 and 868,324,510.30 is: 1,302,486,765.45
Step by Step Solution
- Step 1: Write the proportion equation
886,464,363.10 : 1,329,696,544.65 = 868,324,510.30 : x - Step 2: Convert to fraction form
886,464,363.10/1,329,696,544.65 = 868,324,510.30/x - Step 3: Cross multiply
886,464,363.10x = 1,329,696,544.65 × 868,324,510.30 - Step 4: Simplify right side
886,464,363.10x = 1,154,608,100,980,813,312 - Step 5: Solve for x
x = 1,154,608,100,980,813,312/886,464,363.10 - Step 6: Final answer
x = 1,302,486,765.45
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Similar ratio
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1.5x scale
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.