Finding the Fourth Proportional to 7,291,574,269.20, 10,937,660,002.20 and 2,121,716,221.20
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Solution
The fourth proportional to 7,291,574,269.20, 10,937,660,002.20 and 2,121,716,221.20 is: 3,182,661,218.53
Step by Step Solution
- Step 1: Write the proportion equation
7,291,574,269.20 : 10,937,660,002.20 = 2,121,716,221.20 : x - Step 2: Convert to fraction form
7,291,574,269.20/10,937,660,002.20 = 2,121,716,221.20/x - Step 3: Cross multiply
7,291,574,269.20x = 10,937,660,002.20 × 2,121,716,221.20 - Step 4: Simplify right side
7,291,574,269.20x = 23,206,610,648,638,169,088 - Step 5: Solve for x
x = 23,206,610,648,638,169,088/7,291,574,269.20 - Step 6: Final answer
x = 3,182,661,218.53
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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.