Finding the Fourth Proportional to 975,455,799.99, 1,346,130,337.02 and 529,419,170.10
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Solution
The fourth proportional to 975,455,799.99, 1,346,130,337.02 and 529,419,170.10 is: 730,599,178.23
Step by Step Solution
- Step 1: Write the proportion equation
975,455,799.99 : 1,346,130,337.02 = 529,419,170.10 : x - Step 2: Convert to fraction form
975,455,799.99/1,346,130,337.02 = 529,419,170.10/x - Step 3: Cross multiply
975,455,799.99x = 1,346,130,337.02 × 529,419,170.10 - Step 4: Simplify right side
975,455,799.99x = 712,667,205,871,561,728 - Step 5: Solve for x
x = 712,667,205,871,561,728/975,455,799.99 - Step 6: Final answer
x = 730,599,178.23
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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.