Finding the Fourth Proportional to 1,745,566,157.40, 2,408,932,318.95 and 952,663,024.65
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Solution
The fourth proportional to 1,745,566,157.40, 2,408,932,318.95 and 952,663,024.65 is: 1,314,702,819.72
Step by Step Solution
- Step 1: Write the proportion equation
1,745,566,157.40 : 2,408,932,318.95 = 952,663,024.65 : x - Step 2: Convert to fraction form
1,745,566,157.40/2,408,932,318.95 = 952,663,024.65/x - Step 3: Cross multiply
1,745,566,157.40x = 2,408,932,318.95 × 952,663,024.65 - Step 4: Simplify right side
1,745,566,157.40x = 2,294,900,749,148,045,312 - Step 5: Solve for x
x = 2,294,900,749,148,045,312/1,745,566,157.40 - Step 6: Final answer
x = 1,314,702,819.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.