Finding the Fourth Proportional to 1,131,347,402.64, 1,697,092,832.16 and 355,023,703.44
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Solution
The fourth proportional to 1,131,347,402.64, 1,697,092,832.16 and 355,023,703.44 is: 532,558,063.91
Step by Step Solution
- Step 1: Write the proportion equation
1,131,347,402.64 : 1,697,092,832.16 = 355,023,703.44 : x - Step 2: Convert to fraction form
1,131,347,402.64/1,697,092,832.16 = 355,023,703.44/x - Step 3: Cross multiply
1,131,347,402.64x = 1,697,092,832.16 × 355,023,703.44 - Step 4: Simplify right side
1,131,347,402.64x = 602,508,182,354,921,600 - Step 5: Solve for x
x = 602,508,182,354,921,600/1,131,347,402.64 - Step 6: Final answer
x = 532,558,063.91
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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.