Finding the Fourth Proportional to 1,029,644,344.80, 1,542,398,623.20 and 476,170,981.92
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Solution
The fourth proportional to 1,029,644,344.80, 1,542,398,623.20 and 476,170,981.92 is: 713,300,151.29
Step by Step Solution
- Step 1: Write the proportion equation
1,029,644,344.80 : 1,542,398,623.20 = 476,170,981.92 : x - Step 2: Convert to fraction form
1,029,644,344.80/1,542,398,623.20 = 476,170,981.92/x - Step 3: Cross multiply
1,029,644,344.80x = 1,542,398,623.20 × 476,170,981.92 - Step 4: Simplify right side
1,029,644,344.80x = 734,445,466,921,200,128 - Step 5: Solve for x
x = 734,445,466,921,200,128/1,029,644,344.80 - Step 6: Final answer
x = 713,300,151.29
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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.