Finding the Fourth Proportional to 4,814,925,966.70, 6,621,035,462.64 and 4,178,741,973.61
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Solution
The fourth proportional to 4,814,925,966.70, 6,621,035,462.64 and 4,178,741,973.61 is: 5,746,214,788.72
Step by Step Solution
- Step 1: Write the proportion equation
4,814,925,966.70 : 6,621,035,462.64 = 4,178,741,973.61 : x - Step 2: Convert to fraction form
4,814,925,966.70/6,621,035,462.64 = 4,178,741,973.61/x - Step 3: Cross multiply
4,814,925,966.70x = 6,621,035,462.64 × 4,178,741,973.61 - Step 4: Simplify right side
4,814,925,966.70x = 27,667,598,796,460,969,984 - Step 5: Solve for x
x = 27,667,598,796,460,969,984/4,814,925,966.70 - Step 6: Final answer
x = 5,746,214,788.72
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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.