Finding the Fourth Proportional to 1,972,405,464.94, 2,963,328,134.72 and 1,264,740,505.08
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Solution
The fourth proportional to 1,972,405,464.94, 2,963,328,134.72 and 1,264,740,505.08 is: 1,900,137,263.06
Step by Step Solution
- Step 1: Write the proportion equation
1,972,405,464.94 : 2,963,328,134.72 = 1,264,740,505.08 : x - Step 2: Convert to fraction form
1,972,405,464.94/2,963,328,134.72 = 1,264,740,505.08/x - Step 3: Cross multiply
1,972,405,464.94x = 2,963,328,134.72 × 1,264,740,505.08 - Step 4: Simplify right side
1,972,405,464.94x = 3,747,841,121,806,259,200 - Step 5: Solve for x
x = 3,747,841,121,806,259,200/1,972,405,464.94 - Step 6: Final answer
x = 1,900,137,263.06
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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.