Finding the Fourth Proportional to 6,880,414,946.24, 9,495,778,715.68 and 3,910,637,607.68
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Solution
The fourth proportional to 6,880,414,946.24, 9,495,778,715.68 and 3,910,637,607.68 is: 5,397,138,057.79
Step by Step Solution
- Step 1: Write the proportion equation
6,880,414,946.24 : 9,495,778,715.68 = 3,910,637,607.68 : x - Step 2: Convert to fraction form
6,880,414,946.24/9,495,778,715.68 = 3,910,637,607.68/x - Step 3: Cross multiply
6,880,414,946.24x = 9,495,778,715.68 × 3,910,637,607.68 - Step 4: Simplify right side
6,880,414,946.24x = 37,134,549,359,745,499,136 - Step 5: Solve for x
x = 37,134,549,359,745,499,136/6,880,414,946.24 - Step 6: Final answer
x = 5,397,138,057.79
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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.