Finding the Fourth Proportional to 1,437,937,029.90, 2,156,905,544.85 and 740,580,149.70
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Solution
The fourth proportional to 1,437,937,029.90, 2,156,905,544.85 and 740,580,149.70 is: 1,110,870,224.55
Step by Step Solution
- Step 1: Write the proportion equation
1,437,937,029.90 : 2,156,905,544.85 = 740,580,149.70 : x - Step 2: Convert to fraction form
1,437,937,029.90/2,156,905,544.85 = 740,580,149.70/x - Step 3: Cross multiply
1,437,937,029.90x = 2,156,905,544.85 × 740,580,149.70 - Step 4: Simplify right side
1,437,937,029.90x = 1,597,361,431,293,773,056 - Step 5: Solve for x
x = 1,597,361,431,293,773,056/1,437,937,029.90 - Step 6: Final answer
x = 1,110,870,224.55
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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.