Finding the Fourth Proportional to 2,213,271,318.30, 3,317,863,947.65 and 1,106,913,442.29
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Solution
The fourth proportional to 2,213,271,318.30, 3,317,863,947.65 and 1,106,913,442.29 is: 1,659,348,392.12
Step by Step Solution
- Step 1: Write the proportion equation
2,213,271,318.30 : 3,317,863,947.65 = 1,106,913,442.29 : x - Step 2: Convert to fraction form
2,213,271,318.30/3,317,863,947.65 = 1,106,913,442.29/x - Step 3: Cross multiply
2,213,271,318.30x = 3,317,863,947.65 × 1,106,913,442.29 - Step 4: Simplify right side
2,213,271,318.30x = 3,672,588,203,329,103,360 - Step 5: Solve for x
x = 3,672,588,203,329,103,360/2,213,271,318.30 - Step 6: Final answer
x = 1,659,348,392.12
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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.