Finding the Fourth Proportional to 4,517,978,101.40, 6,777,357,531.60 and 1,246,427,305.40
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Solution
The fourth proportional to 4,517,978,101.40, 6,777,357,531.60 and 1,246,427,305.40 is: 1,869,748,656.65
Step by Step Solution
- Step 1: Write the proportion equation
4,517,978,101.40 : 6,777,357,531.60 = 1,246,427,305.40 : x - Step 2: Convert to fraction form
4,517,978,101.40/6,777,357,531.60 = 1,246,427,305.40/x - Step 3: Cross multiply
4,517,978,101.40x = 6,777,357,531.60 × 1,246,427,305.40 - Step 4: Simplify right side
4,517,978,101.40x = 8,447,483,485,844,584,448 - Step 5: Solve for x
x = 8,447,483,485,844,584,448/4,517,978,101.40 - Step 6: Final answer
x = 1,869,748,656.65
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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.