Finding the Fourth Proportional to 975,455,795.48, 1,346,130,330.79 and 529,419,165.59
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Solution
The fourth proportional to 975,455,795.48, 1,346,130,330.79 and 529,419,165.59 is: 730,599,172.01
Step by Step Solution
- Step 1: Write the proportion equation
975,455,795.48 : 1,346,130,330.79 = 529,419,165.59 : x - Step 2: Convert to fraction form
975,455,795.48/1,346,130,330.79 = 529,419,165.59/x - Step 3: Cross multiply
975,455,795.48x = 1,346,130,330.79 × 529,419,165.59 - Step 4: Simplify right side
975,455,795.48x = 712,667,196,504,274,176 - Step 5: Solve for x
x = 712,667,196,504,274,176/975,455,795.48 - Step 6: Final answer
x = 730,599,172.01
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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.