Finding the Fourth Proportional to 4,388,979,660.12, 6,056,807,787.96 and 2,381,814,358.92
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Solution
The fourth proportional to 4,388,979,660.12, 6,056,807,787.96 and 2,381,814,358.92 is: 3,286,912,420.59
Step by Step Solution
- Step 1: Write the proportion equation
4,388,979,660.12 : 6,056,807,787.96 = 2,381,814,358.92 : x - Step 2: Convert to fraction form
4,388,979,660.12/6,056,807,787.96 = 2,381,814,358.92/x - Step 3: Cross multiply
4,388,979,660.12x = 6,056,807,787.96 × 2,381,814,358.92 - Step 4: Simplify right side
4,388,979,660.12x = 14,426,191,758,581,610,496 - Step 5: Solve for x
x = 14,426,191,758,581,610,496/4,388,979,660.12 - Step 6: Final answer
x = 3,286,912,420.59
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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.