Finding the Fourth Proportional to 7,871,308,123.26, 10,804,585,089.66 and 6,959,255,722.08
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Solution
The fourth proportional to 7,871,308,123.26, 10,804,585,089.66 and 6,959,255,722.08 is: 9,552,652,422.25
Step by Step Solution
- Step 1: Write the proportion equation
7,871,308,123.26 : 10,804,585,089.66 = 6,959,255,722.08 : x - Step 2: Convert to fraction form
7,871,308,123.26/10,804,585,089.66 = 6,959,255,722.08/x - Step 3: Cross multiply
7,871,308,123.26x = 10,804,585,089.66 × 6,959,255,722.08 - Step 4: Simplify right side
7,871,308,123.26x = 75,191,870,609,916,608,512 - Step 5: Solve for x
x = 75,191,870,609,916,608,512/7,871,308,123.26 - Step 6: Final answer
x = 9,552,652,422.25
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.