Finding the Fourth Proportional to 7,968,118,354.40, 11,952,177,531.60 and 2,447,367,528.80
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Solution
The fourth proportional to 7,968,118,354.40, 11,952,177,531.60 and 2,447,367,528.80 is: 3,671,051,293.20
Step by Step Solution
- Step 1: Write the proportion equation
7,968,118,354.40 : 11,952,177,531.60 = 2,447,367,528.80 : x - Step 2: Convert to fraction form
7,968,118,354.40/11,952,177,531.60 = 2,447,367,528.80/x - Step 3: Cross multiply
7,968,118,354.40x = 11,952,177,531.60 × 2,447,367,528.80 - Step 4: Simplify right side
7,968,118,354.40x = 29,251,371,189,290,778,624 - Step 5: Solve for x
x = 29,251,371,189,290,778,624/7,968,118,354.40 - Step 6: Final answer
x = 3,671,051,293.20
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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.