Finding the Fourth Proportional to 7,779,817,918.82, 11,663,187,496.52 and 6,302,293,643.99
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Solution
The fourth proportional to 7,779,817,918.82, 11,663,187,496.52 and 6,302,293,643.99 is: 9,448,143,027.89
Step by Step Solution
- Step 1: Write the proportion equation
7,779,817,918.82 : 11,663,187,496.52 = 6,302,293,643.99 : x - Step 2: Convert to fraction form
7,779,817,918.82/11,663,187,496.52 = 6,302,293,643.99/x - Step 3: Cross multiply
7,779,817,918.82x = 11,663,187,496.52 × 6,302,293,643.99 - Step 4: Simplify right side
7,779,817,918.82x = 73,504,832,427,891,802,112 - Step 5: Solve for x
x = 73,504,832,427,891,802,112/7,779,817,918.82 - Step 6: Final answer
x = 9,448,143,027.89
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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.