Finding the Fourth Proportional to 1,169,268,819.68, 1,752,804,636.24 and 392,369,631.68
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Solution
The fourth proportional to 1,169,268,819.68, 1,752,804,636.24 and 392,369,631.68 is: 588,185,794.36
Step by Step Solution
- Step 1: Write the proportion equation
1,169,268,819.68 : 1,752,804,636.24 = 392,369,631.68 : x - Step 2: Convert to fraction form
1,169,268,819.68/1,752,804,636.24 = 392,369,631.68/x - Step 3: Cross multiply
1,169,268,819.68x = 1,752,804,636.24 × 392,369,631.68 - Step 4: Simplify right side
1,169,268,819.68x = 687,747,309,528,485,248 - Step 5: Solve for x
x = 687,747,309,528,485,248/1,169,268,819.68 - Step 6: Final answer
x = 588,185,794.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.