Finding the Fourth Proportional to 5,976,009,386.20, 8,964,014,079.30 and 4,193,875,136.80
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Solution
The fourth proportional to 5,976,009,386.20, 8,964,014,079.30 and 4,193,875,136.80 is: 6,290,812,705.20
Step by Step Solution
- Step 1: Write the proportion equation
5,976,009,386.20 : 8,964,014,079.30 = 4,193,875,136.80 : x - Step 2: Convert to fraction form
5,976,009,386.20/8,964,014,079.30 = 4,193,875,136.80/x - Step 3: Cross multiply
5,976,009,386.20x = 8,964,014,079.30 × 4,193,875,136.80 - Step 4: Simplify right side
5,976,009,386.20x = 37,593,955,773,101,408,256 - Step 5: Solve for x
x = 37,593,955,773,101,408,256/5,976,009,386.20 - Step 6: Final answer
x = 6,290,812,705.20
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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.