Finding the Fourth Proportional to 4,899,046,106.70, 7,348,569,160.05 and 4,393,964,580.30
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Solution
The fourth proportional to 4,899,046,106.70, 7,348,569,160.05 and 4,393,964,580.30 is: 6,590,946,870.45
Step by Step Solution
- Step 1: Write the proportion equation
4,899,046,106.70 : 7,348,569,160.05 = 4,393,964,580.30 : x - Step 2: Convert to fraction form
4,899,046,106.70/7,348,569,160.05 = 4,393,964,580.30/x - Step 3: Cross multiply
4,899,046,106.70x = 7,348,569,160.05 × 4,393,964,580.30 - Step 4: Simplify right side
4,899,046,106.70x = 32,289,352,605,144,625,152 - Step 5: Solve for x
x = 32,289,352,605,144,625,152/4,899,046,106.70 - Step 6: Final answer
x = 6,590,946,870.45
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Double scale
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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.