Finding the Fourth Proportional to 1,512,432,023.30, 2,268,648,034.95 and 363,574,679.30
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Solution
The fourth proportional to 1,512,432,023.30, 2,268,648,034.95 and 363,574,679.30 is: 545,362,018.95
Step by Step Solution
- Step 1: Write the proportion equation
1,512,432,023.30 : 2,268,648,034.95 = 363,574,679.30 : x - Step 2: Convert to fraction form
1,512,432,023.30/2,268,648,034.95 = 363,574,679.30/x - Step 3: Cross multiply
1,512,432,023.30x = 2,268,648,034.95 × 363,574,679.30 - Step 4: Simplify right side
1,512,432,023.30x = 824,822,981,751,521,408 - Step 5: Solve for x
x = 824,822,981,751,521,408/1,512,432,023.30 - Step 6: Final answer
x = 545,362,018.95
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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.