Finding the Fourth Proportional to 2,016,236,417.30, 3,024,354,625.95 and 869,618,561.30
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Solution
The fourth proportional to 2,016,236,417.30, 3,024,354,625.95 and 869,618,561.30 is: 1,304,427,841.95
Step by Step Solution
- Step 1: Write the proportion equation
2,016,236,417.30 : 3,024,354,625.95 = 869,618,561.30 : x - Step 2: Convert to fraction form
2,016,236,417.30/3,024,354,625.95 = 869,618,561.30/x - Step 3: Cross multiply
2,016,236,417.30x = 3,024,354,625.95 × 869,618,561.30 - Step 4: Simplify right side
2,016,236,417.30x = 2,630,034,918,679,638,528 - Step 5: Solve for x
x = 2,630,034,918,679,638,528/2,016,236,417.30 - Step 6: Final answer
x = 1,304,427,841.95
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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.