Finding the Fourth Proportional to 7,420,492,885.20, 11,130,739,327.80 and 6,685,828,846.80
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Solution
The fourth proportional to 7,420,492,885.20, 11,130,739,327.80 and 6,685,828,846.80 is: 10,028,743,270.20
Step by Step Solution
- Step 1: Write the proportion equation
7,420,492,885.20 : 11,130,739,327.80 = 6,685,828,846.80 : x - Step 2: Convert to fraction form
7,420,492,885.20/11,130,739,327.80 = 6,685,828,846.80/x - Step 3: Cross multiply
7,420,492,885.20x = 11,130,739,327.80 × 6,685,828,846.80 - Step 4: Simplify right side
7,420,492,885.20x = 74,418,218,084,016,472,064 - Step 5: Solve for x
x = 74,418,218,084,016,472,064/7,420,492,885.20 - Step 6: Final answer
x = 10,028,743,270.20
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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.