Finding the Fourth Proportional to 4,386,261,178.28, 6,578,744,589.02 and 1,280,009,790.76
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Solution
The fourth proportional to 4,386,261,178.28, 6,578,744,589.02 and 1,280,009,790.76 is: 1,919,825,824.91
Step by Step Solution
- Step 1: Write the proportion equation
4,386,261,178.28 : 6,578,744,589.02 = 1,280,009,790.76 : x - Step 2: Convert to fraction form
4,386,261,178.28/6,578,744,589.02 = 1,280,009,790.76/x - Step 3: Cross multiply
4,386,261,178.28x = 6,578,744,589.02 × 1,280,009,790.76 - Step 4: Simplify right side
4,386,261,178.28x = 8,420,857,484,854,972,416 - Step 5: Solve for x
x = 8,420,857,484,854,972,416/4,386,261,178.28 - Step 6: Final answer
x = 1,919,825,824.91
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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.