Finding the Fourth Proportional to 1,609,088,746.20, 2,413,633,119.30 and 1,390,985,359.80
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Solution
The fourth proportional to 1,609,088,746.20, 2,413,633,119.30 and 1,390,985,359.80 is: 2,086,478,039.70
Step by Step Solution
- Step 1: Write the proportion equation
1,609,088,746.20 : 2,413,633,119.30 = 1,390,985,359.80 : x - Step 2: Convert to fraction form
1,609,088,746.20/2,413,633,119.30 = 1,390,985,359.80/x - Step 3: Cross multiply
1,609,088,746.20x = 2,413,633,119.30 × 1,390,985,359.80 - Step 4: Simplify right side
1,609,088,746.20x = 3,357,328,332,874,706,944 - Step 5: Solve for x
x = 3,357,328,332,874,706,944/1,609,088,746.20 - Step 6: Final answer
x = 2,086,478,039.70
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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.