Finding the Fourth Proportional to 2,185,812,069.80, 3,277,584,363.90 and 804,915,775.40
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Solution
The fourth proportional to 2,185,812,069.80, 3,277,584,363.90 and 804,915,775.40 is: 1,206,956,167.99
Step by Step Solution
- Step 1: Write the proportion equation
2,185,812,069.80 : 3,277,584,363.90 = 804,915,775.40 : x - Step 2: Convert to fraction form
2,185,812,069.80/3,277,584,363.90 = 804,915,775.40/x - Step 3: Cross multiply
2,185,812,069.80x = 3,277,584,363.90 × 804,915,775.40 - Step 4: Simplify right side
2,185,812,069.80x = 2,638,179,359,707,484,160 - Step 5: Solve for x
x = 2,638,179,359,707,484,160/2,185,812,069.80 - Step 6: Final answer
x = 1,206,956,167.99
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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.