Finding the Fourth Proportional to 1,156,095,756.87, 1,595,413,724.39 and 627,459,751.10
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Solution
The fourth proportional to 1,156,095,756.87, 1,595,413,724.39 and 627,459,751.10 is: 865,895,313.99
Step by Step Solution
- Step 1: Write the proportion equation
1,156,095,756.87 : 1,595,413,724.39 = 627,459,751.10 : x - Step 2: Convert to fraction form
1,156,095,756.87/1,595,413,724.39 = 627,459,751.10/x - Step 3: Cross multiply
1,156,095,756.87x = 1,595,413,724.39 × 627,459,751.10 - Step 4: Simplify right side
1,156,095,756.87x = 1,001,057,898,396,159,104 - Step 5: Solve for x
x = 1,001,057,898,396,159,104/1,156,095,756.87 - Step 6: Final answer
x = 865,895,313.99
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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.