Finding the Fourth Proportional to 2,912,000,605.80, 4,368,000,908.70 and 2,427,724,994.55
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Solution
The fourth proportional to 2,912,000,605.80, 4,368,000,908.70 and 2,427,724,994.55 is: 3,641,587,491.83
Step by Step Solution
- Step 1: Write the proportion equation
2,912,000,605.80 : 4,368,000,908.70 = 2,427,724,994.55 : x - Step 2: Convert to fraction form
2,912,000,605.80/4,368,000,908.70 = 2,427,724,994.55/x - Step 3: Cross multiply
2,912,000,605.80x = 4,368,000,908.70 × 2,427,724,994.55 - Step 4: Simplify right side
2,912,000,605.80x = 10,604,304,982,268,102,656 - Step 5: Solve for x
x = 10,604,304,982,268,102,656/2,912,000,605.80 - Step 6: Final answer
x = 3,641,587,491.83
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1.5x scale
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.