Finding the Fourth Proportional to 1,417,178,140.90, 2,125,767,211.35 and 1,296,647,322.10
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Solution
The fourth proportional to 1,417,178,140.90, 2,125,767,211.35 and 1,296,647,322.10 is: 1,944,970,983.15
Step by Step Solution
- Step 1: Write the proportion equation
1,417,178,140.90 : 2,125,767,211.35 = 1,296,647,322.10 : x - Step 2: Convert to fraction form
1,417,178,140.90/2,125,767,211.35 = 1,296,647,322.10/x - Step 3: Cross multiply
1,417,178,140.90x = 2,125,767,211.35 × 1,296,647,322.10 - Step 4: Simplify right side
1,417,178,140.90x = 2,756,370,362,004,961,792 - Step 5: Solve for x
x = 2,756,370,362,004,961,792/1,417,178,140.90 - Step 6: Final answer
x = 1,944,970,983.15
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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.