Finding the Fourth Proportional to 7,681,136,614.88, 10,601,673,775.52 and 4,669,749,436.19
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Solution
The fourth proportional to 7,681,136,614.88, 10,601,673,775.52 and 4,669,749,436.19 is: 6,445,290,927.38
Step by Step Solution
- Step 1: Write the proportion equation
7,681,136,614.88 : 10,601,673,775.52 = 4,669,749,436.19 : x - Step 2: Convert to fraction form
7,681,136,614.88/10,601,673,775.52 = 4,669,749,436.19/x - Step 3: Cross multiply
7,681,136,614.88x = 10,601,673,775.52 × 4,669,749,436.19 - Step 4: Simplify right side
7,681,136,614.88x = 49,507,160,135,828,471,808 - Step 5: Solve for x
x = 49,507,160,135,828,471,808/7,681,136,614.88 - Step 6: Final answer
x = 6,445,290,927.38
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.