Finding the Fourth Proportional to 7,624,867,899.98, 11,430,751,412.64 and 2,649,943,407.08
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Solution
The fourth proportional to 7,624,867,899.98, 11,430,751,412.64 and 2,649,943,407.08 is: 3,972,638,574.36
Step by Step Solution
- Step 1: Write the proportion equation
7,624,867,899.98 : 11,430,751,412.64 = 2,649,943,407.08 : x - Step 2: Convert to fraction form
7,624,867,899.98/11,430,751,412.64 = 2,649,943,407.08/x - Step 3: Cross multiply
7,624,867,899.98x = 11,430,751,412.64 × 2,649,943,407.08 - Step 4: Simplify right side
7,624,867,899.98x = 30,290,844,343,895,760,896 - Step 5: Solve for x
x = 30,290,844,343,895,760,896/7,624,867,899.98 - Step 6: Final answer
x = 3,972,638,574.36
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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.