Finding the Fourth Proportional to 1,347,986,226.60, 2,021,979,339.90 and 1,296,330,161.40
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Solution
The fourth proportional to 1,347,986,226.60, 2,021,979,339.90 and 1,296,330,161.40 is: 1,944,495,242.10
Step by Step Solution
- Step 1: Write the proportion equation
1,347,986,226.60 : 2,021,979,339.90 = 1,296,330,161.40 : x - Step 2: Convert to fraction form
1,347,986,226.60/2,021,979,339.90 = 1,296,330,161.40/x - Step 3: Cross multiply
1,347,986,226.60x = 2,021,979,339.90 × 1,296,330,161.40 - Step 4: Simplify right side
1,347,986,226.60x = 2,621,152,804,040,032,768 - Step 5: Solve for x
x = 2,621,152,804,040,032,768/1,347,986,226.60 - Step 6: Final answer
x = 1,944,495,242.10
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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.