Finding the Fourth Proportional to 1,184,769,984.25, 1,634,195,325.58 and 761,918,253.09
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Solution
The fourth proportional to 1,184,769,984.25, 1,634,195,325.58 and 761,918,253.09 is: 1,050,940,911.93
Step by Step Solution
- Step 1: Write the proportion equation
1,184,769,984.25 : 1,634,195,325.58 = 761,918,253.09 : x - Step 2: Convert to fraction form
1,184,769,984.25/1,634,195,325.58 = 761,918,253.09/x - Step 3: Cross multiply
1,184,769,984.25x = 1,634,195,325.58 × 761,918,253.09 - Step 4: Simplify right side
1,184,769,984.25x = 1,245,123,247,673,757,440 - Step 5: Solve for x
x = 1,245,123,247,673,757,440/1,184,769,984.25 - Step 6: Final answer
x = 1,050,940,911.93
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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.