Finding the Fourth Proportional to 484,804,986,010.29, 668,919,916,201.99 and 289,450,316,411.84
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Solution
The fourth proportional to 484,804,986,010.29, 668,919,916,201.99 and 289,450,316,411.84 is: 399,375,185,870.59
Step by Step Solution
- Step 1: Write the proportion equation
484,804,986,010.29 : 668,919,916,201.99 = 289,450,316,411.84 : x - Step 2: Convert to fraction form
484,804,986,010.29/668,919,916,201.99 = 289,450,316,411.84/x - Step 3: Cross multiply
484,804,986,010.29x = 668,919,916,201.99 × 289,450,316,411.84 - Step 4: Simplify right side
484,804,986,010.29x = 193,619,081,398,847,503,597,568 - Step 5: Solve for x
x = 193,619,081,398,847,503,597,568/484,804,986,010.29 - Step 6: Final answer
x = 399,375,185,870.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.