Finding the Fourth Proportional to 708,589,327.20, 1,062,883,990.80 and 704,284,655.10
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Solution
The fourth proportional to 708,589,327.20, 1,062,883,990.80 and 704,284,655.10 is: 1,056,426,982.65
Step by Step Solution
- Step 1: Write the proportion equation
708,589,327.20 : 1,062,883,990.80 = 704,284,655.10 : x - Step 2: Convert to fraction form
708,589,327.20/1,062,883,990.80 = 704,284,655.10/x - Step 3: Cross multiply
708,589,327.20x = 1,062,883,990.80 × 704,284,655.10 - Step 4: Simplify right side
708,589,327.20x = 748,572,884,871,889,536 - Step 5: Solve for x
x = 748,572,884,871,889,536/708,589,327.20 - Step 6: Final answer
x = 1,056,426,982.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.