Finding the Fourth Proportional to 1,232,603,881.66, 1,847,748,442.58 and 414,143,801.02
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Solution
The fourth proportional to 1,232,603,881.66, 1,847,748,442.58 and 414,143,801.02 is: 620,826,832.31
Step by Step Solution
- Step 1: Write the proportion equation
1,232,603,881.66 : 1,847,748,442.58 = 414,143,801.02 : x - Step 2: Convert to fraction form
1,232,603,881.66/1,847,748,442.58 = 414,143,801.02/x - Step 3: Cross multiply
1,232,603,881.66x = 1,847,748,442.58 × 414,143,801.02 - Step 4: Simplify right side
1,232,603,881.66x = 765,233,563,338,866,304 - Step 5: Solve for x
x = 765,233,563,338,866,304/1,232,603,881.66 - Step 6: Final answer
x = 620,826,832.31
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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.