Finding the Fourth Proportional to 1,612,656,363.20, 2,419,432,442.40 and 692,973,291.20
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Solution
The fourth proportional to 1,612,656,363.20, 2,419,432,442.40 and 692,973,291.20 is: 1,039,652,402.52
Step by Step Solution
- Step 1: Write the proportion equation
1,612,656,363.20 : 2,419,432,442.40 = 692,973,291.20 : x - Step 2: Convert to fraction form
1,612,656,363.20/2,419,432,442.40 = 692,973,291.20/x - Step 3: Cross multiply
1,612,656,363.20x = 2,419,432,442.40 × 692,973,291.20 - Step 4: Simplify right side
1,612,656,363.20x = 1,676,602,062,445,982,720 - Step 5: Solve for x
x = 1,676,602,062,445,982,720/1,612,656,363.20 - Step 6: Final answer
x = 1,039,652,402.52
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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.