Finding the Fourth Proportional to 1,073,088,543.70, 1,609,685,959.65 and 556,527,891.70
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Solution
The fourth proportional to 1,073,088,543.70, 1,609,685,959.65 and 556,527,891.70 is: 834,819,399.28
Step by Step Solution
- Step 1: Write the proportion equation
1,073,088,543.70 : 1,609,685,959.65 = 556,527,891.70 : x - Step 2: Convert to fraction form
1,073,088,543.70/1,609,685,959.65 = 556,527,891.70/x - Step 3: Cross multiply
1,073,088,543.70x = 1,609,685,959.65 × 556,527,891.70 - Step 4: Simplify right side
1,073,088,543.70x = 895,835,133,423,105,920 - Step 5: Solve for x
x = 895,835,133,423,105,920/1,073,088,543.70 - Step 6: Final answer
x = 834,819,399.28
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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.