Finding the Fourth Proportional to 1,213,248,222.64, 1,674,266,177.20 and 677,408,141.34
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Solution
The fourth proportional to 1,213,248,222.64, 1,674,266,177.20 and 677,408,141.34 is: 934,814,094.95
Step by Step Solution
- Step 1: Write the proportion equation
1,213,248,222.64 : 1,674,266,177.20 = 677,408,141.34 : x - Step 2: Convert to fraction form
1,213,248,222.64/1,674,266,177.20 = 677,408,141.34/x - Step 3: Cross multiply
1,213,248,222.64x = 1,674,266,177.20 × 677,408,141.34 - Step 4: Simplify right side
1,213,248,222.64x = 1,134,161,539,193,720,704 - Step 5: Solve for x
x = 1,134,161,539,193,720,704/1,213,248,222.64 - Step 6: Final answer
x = 934,814,094.95
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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.