Finding the Fourth Proportional to 2,116,726,110.40, 3,175,512,990 and 1,185,373,432.48
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Solution
The fourth proportional to 2,116,726,110.40, 3,175,512,990 and 1,185,373,432.48 is: 1,778,297,491.75
Step by Step Solution
- Step 1: Write the proportion equation
2,116,726,110.40 : 3,175,512,990 = 1,185,373,432.48 : x - Step 2: Convert to fraction form
2,116,726,110.40/3,175,512,990 = 1,185,373,432.48/x - Step 3: Cross multiply
2,116,726,110.40x = 3,175,512,990 × 1,185,373,432.48 - Step 4: Simplify right side
2,116,726,110.40x = 3,764,168,732,841,127,936 - Step 5: Solve for x
x = 3,764,168,732,841,127,936/2,116,726,110.40 - Step 6: Final answer
x = 1,778,297,491.75
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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.