Finding the Fourth Proportional to 1,407,005,775.36, 2,110,526,611.20 and 371,857,708.80
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Solution
The fourth proportional to 1,407,005,775.36, 2,110,526,611.20 and 371,857,708.80 is: 557,791,306.72
Step by Step Solution
- Step 1: Write the proportion equation
1,407,005,775.36 : 2,110,526,611.20 = 371,857,708.80 : x - Step 2: Convert to fraction form
1,407,005,775.36/2,110,526,611.20 = 371,857,708.80/x - Step 3: Cross multiply
1,407,005,775.36x = 2,110,526,611.20 × 371,857,708.80 - Step 4: Simplify right side
1,407,005,775.36x = 784,815,590,002,260,480 - Step 5: Solve for x
x = 784,815,590,002,260,480/1,407,005,775.36 - Step 6: Final answer
x = 557,791,306.72
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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.