Finding the Fourth Proportional to 1,696,554,752.80, 2,544,832,129.20 and 469,723,204.30
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Solution
The fourth proportional to 1,696,554,752.80, 2,544,832,129.20 and 469,723,204.30 is: 704,584,806.45
Step by Step Solution
- Step 1: Write the proportion equation
1,696,554,752.80 : 2,544,832,129.20 = 469,723,204.30 : x - Step 2: Convert to fraction form
1,696,554,752.80/2,544,832,129.20 = 469,723,204.30/x - Step 3: Cross multiply
1,696,554,752.80x = 2,544,832,129.20 × 469,723,204.30 - Step 4: Simplify right side
1,696,554,752.80x = 1,195,366,702,133,415,424 - Step 5: Solve for x
x = 1,195,366,702,133,415,424/1,696,554,752.80 - Step 6: Final answer
x = 704,584,806.45
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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.