Finding the Fourth Proportional to 4,840,721,595.81, 6,680,019,438.72 and 2,697,217,504.74
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Solution
The fourth proportional to 4,840,721,595.81, 6,680,019,438.72 and 2,697,217,504.74 is: 3,722,061,887.99
Step by Step Solution
- Step 1: Write the proportion equation
4,840,721,595.81 : 6,680,019,438.72 = 2,697,217,504.74 : x - Step 2: Convert to fraction form
4,840,721,595.81/6,680,019,438.72 = 2,697,217,504.74/x - Step 3: Cross multiply
4,840,721,595.81x = 6,680,019,438.72 × 2,697,217,504.74 - Step 4: Simplify right side
4,840,721,595.81x = 18,017,465,362,119,053,312 - Step 5: Solve for x
x = 18,017,465,362,119,053,312/4,840,721,595.81 - Step 6: Final answer
x = 3,722,061,887.99
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1.5x scale
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.