Finding the Fourth Proportional to 1,649,806,154.43, 2,276,775,642.92 and 897,163,349.09
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Solution
The fourth proportional to 1,649,806,154.43, 2,276,775,642.92 and 897,163,349.09 is: 1,238,108,886.57
Step by Step Solution
- Step 1: Write the proportion equation
1,649,806,154.43 : 2,276,775,642.92 = 897,163,349.09 : x - Step 2: Convert to fraction form
1,649,806,154.43/2,276,775,642.92 = 897,163,349.09/x - Step 3: Cross multiply
1,649,806,154.43x = 2,276,775,642.92 × 897,163,349.09 - Step 4: Simplify right side
1,649,806,154.43x = 2,042,639,660,912,775,424 - Step 5: Solve for x
x = 2,042,639,660,912,775,424/1,649,806,154.43 - Step 6: Final answer
x = 1,238,108,886.57
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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.