Finding the Fourth Proportional to 1,672,030,249.20, 2,508,045,373.80 and 1,121,032,220.40
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Solution
The fourth proportional to 1,672,030,249.20, 2,508,045,373.80 and 1,121,032,220.40 is: 1,681,548,330.60
Step by Step Solution
- Step 1: Write the proportion equation
1,672,030,249.20 : 2,508,045,373.80 = 1,121,032,220.40 : x - Step 2: Convert to fraction form
1,672,030,249.20/2,508,045,373.80 = 1,121,032,220.40/x - Step 3: Cross multiply
1,672,030,249.20x = 2,508,045,373.80 × 1,121,032,220.40 - Step 4: Simplify right side
1,672,030,249.20x = 2,811,599,674,254,962,688 - Step 5: Solve for x
x = 2,811,599,674,254,962,688/1,672,030,249.20 - Step 6: Final answer
x = 1,681,548,330.60
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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.