Finding the Fourth Proportional to 19,417,207,207.80, 29,125,810,811.70 and 8,397,246,631.80
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Solution
The fourth proportional to 19,417,207,207.80, 29,125,810,811.70 and 8,397,246,631.80 is: 12,595,869,947.70
Step by Step Solution
- Step 1: Write the proportion equation
19,417,207,207.80 : 29,125,810,811.70 = 8,397,246,631.80 : x - Step 2: Convert to fraction form
19,417,207,207.80/29,125,810,811.70 = 8,397,246,631.80/x - Step 3: Cross multiply
19,417,207,207.80x = 29,125,810,811.70 × 8,397,246,631.80 - Step 4: Simplify right side
19,417,207,207.80x = 244,576,616,736,991,870,976 - Step 5: Solve for x
x = 244,576,616,736,991,870,976/19,417,207,207.80 - Step 6: Final answer
x = 12,595,869,947.70
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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.