Finding the Fourth Proportional to 1,107,763,574.79, 1,528,750,195.68 and 605,960,875.02
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Solution
The fourth proportional to 1,107,763,574.79, 1,528,750,195.68 and 605,960,875.02 is: 836,245,952.97
Step by Step Solution
- Step 1: Write the proportion equation
1,107,763,574.79 : 1,528,750,195.68 = 605,960,875.02 : x - Step 2: Convert to fraction form
1,107,763,574.79/1,528,750,195.68 = 605,960,875.02/x - Step 3: Cross multiply
1,107,763,574.79x = 1,528,750,195.68 × 605,960,875.02 - Step 4: Simplify right side
1,107,763,574.79x = 926,362,806,261,249,024 - Step 5: Solve for x
x = 926,362,806,261,249,024/1,107,763,574.79 - Step 6: Final answer
x = 836,245,952.97
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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.