Finding the Fourth Proportional to 8,457,733,497.60, 12,686,600,246.40 and 6,280,951,161.60
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Solution
The fourth proportional to 8,457,733,497.60, 12,686,600,246.40 and 6,280,951,161.60 is: 9,421,426,742.40
Step by Step Solution
- Step 1: Write the proportion equation
8,457,733,497.60 : 12,686,600,246.40 = 6,280,951,161.60 : x - Step 2: Convert to fraction form
8,457,733,497.60/12,686,600,246.40 = 6,280,951,161.60/x - Step 3: Cross multiply
8,457,733,497.60x = 12,686,600,246.40 × 6,280,951,161.60 - Step 4: Simplify right side
8,457,733,497.60x = 79,683,916,554,380,935,168 - Step 5: Solve for x
x = 79,683,916,554,380,935,168/8,457,733,497.60 - Step 6: Final answer
x = 9,421,426,742.40
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Double scale
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Similar ratio
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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.