Finding the Fourth Proportional to 2,528,772,427.62, 3,791,622,642 and 1,266,768,868.17
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Solution
The fourth proportional to 2,528,772,427.62, 3,791,622,642 and 1,266,768,868.17 is: 1,899,383,855.29
Step by Step Solution
- Step 1: Write the proportion equation
2,528,772,427.62 : 3,791,622,642 = 1,266,768,868.17 : x - Step 2: Convert to fraction form
2,528,772,427.62/3,791,622,642 = 1,266,768,868.17/x - Step 3: Cross multiply
2,528,772,427.62x = 3,791,622,642 × 1,266,768,868.17 - Step 4: Simplify right side
2,528,772,427.62x = 4,803,109,522,734,085,120 - Step 5: Solve for x
x = 4,803,109,522,734,085,120/2,528,772,427.62 - Step 6: Final answer
x = 1,899,383,855.29
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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.