Finding the Fourth Proportional to 1,476,829,487.19, 2,038,652,217.87 and 920,187,554.97
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Solution
The fourth proportional to 1,476,829,487.19, 2,038,652,217.87 and 920,187,554.97 is: 1,270,249,826.45
Step by Step Solution
- Step 1: Write the proportion equation
1,476,829,487.19 : 2,038,652,217.87 = 920,187,554.97 : x - Step 2: Convert to fraction form
1,476,829,487.19/2,038,652,217.87 = 920,187,554.97/x - Step 3: Cross multiply
1,476,829,487.19x = 2,038,652,217.87 × 920,187,554.97 - Step 4: Simplify right side
1,476,829,487.19x = 1,875,942,399,795,962,880 - Step 5: Solve for x
x = 1,875,942,399,795,962,880/1,476,829,487.19 - Step 6: Final answer
x = 1,270,249,826.45
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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.