Finding the Fourth Proportional to 1,929,396,297.63, 2,894,232,774.87 and 807,791,280.93
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Solution
The fourth proportional to 1,929,396,297.63, 2,894,232,774.87 and 807,791,280.93 is: 1,211,744,836.14
Step by Step Solution
- Step 1: Write the proportion equation
1,929,396,297.63 : 2,894,232,774.87 = 807,791,280.93 : x - Step 2: Convert to fraction form
1,929,396,297.63/2,894,232,774.87 = 807,791,280.93/x - Step 3: Cross multiply
1,929,396,297.63x = 2,894,232,774.87 × 807,791,280.93 - Step 4: Simplify right side
1,929,396,297.63x = 2,337,936,000,521,825,280 - Step 5: Solve for x
x = 2,337,936,000,521,825,280/1,929,396,297.63 - Step 6: Final answer
x = 1,211,744,836.14
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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.