Finding the Fourth Proportional to 6,199,578,697.20, 9,299,368,045.80 and 3,720,087,567.60
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Solution
The fourth proportional to 6,199,578,697.20, 9,299,368,045.80 and 3,720,087,567.60 is: 5,580,131,351.40
Step by Step Solution
- Step 1: Write the proportion equation
6,199,578,697.20 : 9,299,368,045.80 = 3,720,087,567.60 : x - Step 2: Convert to fraction form
6,199,578,697.20/9,299,368,045.80 = 3,720,087,567.60/x - Step 3: Cross multiply
6,199,578,697.20x = 9,299,368,045.80 × 3,720,087,567.60 - Step 4: Simplify right side
6,199,578,697.20x = 34,594,463,453,717,282,816 - Step 5: Solve for x
x = 34,594,463,453,717,282,816/6,199,578,697.20 - Step 6: Final answer
x = 5,580,131,351.40
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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.