Finding the Fourth Proportional to 1,762,029,703,339.60, 2,431,601,107,539.60 and 980,746,064,129.10
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Solution
The fourth proportional to 1,762,029,703,339.60, 2,431,601,107,539.60 and 980,746,064,129.10 is: 1,353,429,633,581.95
Step by Step Solution
- Step 1: Write the proportion equation
1,762,029,703,339.60 : 2,431,601,107,539.60 = 980,746,064,129.10 : x - Step 2: Convert to fraction form
1,762,029,703,339.60/2,431,601,107,539.60 = 980,746,064,129.10/x - Step 3: Cross multiply
1,762,029,703,339.60x = 2,431,601,107,539.60 × 980,746,064,129.10 - Step 4: Simplify right side
1,762,029,703,339.60x = 2,384,783,215,751,423,057,723,392 - Step 5: Solve for x
x = 2,384,783,215,751,423,057,723,392/1,762,029,703,339.60 - Step 6: Final answer
x = 1,353,429,633,581.95
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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.