Finding the Fourth Proportional to 2,813,992,366.60, 4,221,024,471.74 and 743,696,242.12
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Solution
The fourth proportional to 2,813,992,366.60, 4,221,024,471.74 and 743,696,242.12 is: 1,115,553,856.79
Step by Step Solution
- Step 1: Write the proportion equation
2,813,992,366.60 : 4,221,024,471.74 = 743,696,242.12 : x - Step 2: Convert to fraction form
2,813,992,366.60/4,221,024,471.74 = 743,696,242.12/x - Step 3: Cross multiply
2,813,992,366.60x = 4,221,024,471.74 × 743,696,242.12 - Step 4: Simplify right side
2,813,992,366.60x = 3,139,160,037,529,595,904 - Step 5: Solve for x
x = 3,139,160,037,529,595,904/2,813,992,366.60 - Step 6: Final answer
x = 1,115,553,856.79
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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.