Finding the Fourth Proportional to 2,621,302,503.93, 3,617,409,784.74 and 1,431,887,973.93
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Solution
The fourth proportional to 2,621,302,503.93, 3,617,409,784.74 and 1,431,887,973.93 is: 1,976,012,138.92
Step by Step Solution
- Step 1: Write the proportion equation
2,621,302,503.93 : 3,617,409,784.74 = 1,431,887,973.93 : x - Step 2: Convert to fraction form
2,621,302,503.93/3,617,409,784.74 = 1,431,887,973.93/x - Step 3: Cross multiply
2,621,302,503.93x = 3,617,409,784.74 × 1,431,887,973.93 - Step 4: Simplify right side
2,621,302,503.93x = 5,179,725,567,545,916,416 - Step 5: Solve for x
x = 5,179,725,567,545,916,416/2,621,302,503.93 - Step 6: Final answer
x = 1,976,012,138.92
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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.