Finding the Fourth Proportional to 1,209,540,609.36, 1,812,836,947.05 and 626,953,669.20
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Solution
The fourth proportional to 1,209,540,609.36, 1,812,836,947.05 and 626,953,669.20 is: 939,666,487.28
Step by Step Solution
- Step 1: Write the proportion equation
1,209,540,609.36 : 1,812,836,947.05 = 626,953,669.20 : x - Step 2: Convert to fraction form
1,209,540,609.36/1,812,836,947.05 = 626,953,669.20/x - Step 3: Cross multiply
1,209,540,609.36x = 1,812,836,947.05 × 626,953,669.20 - Step 4: Simplify right side
1,209,540,609.36x = 1,136,564,775,614,323,712 - Step 5: Solve for x
x = 1,136,564,775,614,323,712/1,209,540,609.36 - Step 6: Final answer
x = 939,666,487.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.